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A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
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A good selection of accessories such as screws, bolts, washers and nuts that you may need for your daily engineering usage.
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Browse industrial materials ranging from heat insulating plates, sponges, to metal and plastic materials in different sizes to meet your various applications.
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Washers（Sales Unit：Box, Pkg.）

Metal Washers
We have a lineup of nearly all washers circulating in the market, including square or wavy types, as well as flat (round) washers and spring washers.
They are mainly available in small boxes and packs, but we sell many items individually. For customers who are price sensitive, purchasing in small boxes is recommended.
Contact us if you cannot find the desired size.
[Materials]
Iron (steel SCM), stainless steel (SUS304, SUS410, SUS316L), titanium, brass, and many others
[Surface Processing]
None, ferrosoferric oxide coating, electroless nickel plating, trivalent chromate, trivalent black, trivalent white, unichrome plating, chromate plating, chrome plating, nickel plating, anodized, polished, painted, and others
[Nominal Screw Diameter] M (mm), imperial (inch), others
[Thickness] 0.1 to 30 mm

106 items

: 30; 45; 60

Days to Ship	All Same day 1 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less 14 Day(s) or Less 15 Day(s) or Less 16 Day(s) or Less

Spring Lock Washer No. 2【1-10,000 Pieces Per Package】

SUNCO

A portion of the flat washer is cut off, with a twisted shape. This twisted shape helps prevent loosening or falling if it is loosened. No. 2 is the most widely available type of spring washer.

Volume Discount
Days to Ship: Same day or more
Special-Sized Round Washer【300-1,000 Pieces Per Package】

SUNCO

[Materials] Stainless Steel, Aluminum, Brass
[Surface treatment] None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, Parkerizing, Dacrotized, painting, coating, silver/copper/tin plating

Volume Discount
Days to Ship: 18 Day(s) or more
Steel Wave Washer (Iwata Standard)【1-1,000 Pieces Per Package】

IWATA DENKO

Its superior abrasion resistance compared with other carbon steels makes it optimal for preloading a variety of bearings and spring applications with small loads.

Days to Ship: 14 Day(s) or more
Special Size Round Washer Steel, Standard Plating【1-20,000 Pieces Per Package】

SUNCO

[Features]
·When the counterpart is wood, use a round washer with a large outer diameter for wood to prevent depressions
[Material]
・ steel
[Standard Plating]
·Bright chromate plating / trivalent white / nickel plating / chrome plating

Volume Discount
Days to Ship: 8 Day(s) or more
Disc Spring Lock Washer, JIS B 1251, Class 1, for Screws, for Light Loads【500-10,000 Pieces Per Package】

SUNCO

Has a spring counter-force comparable to tightening axial force of bolts, preventing thread loosening caused by vibration and shock. It is possible to obtain a stable tightening axial force without fatiguing the tightening material due to the low pressure applied to the bearing surface.

Days to Ship: 15 Day(s) or more
Ribbed-Lock Washer - SWR【5-20 Pieces Per Package】

NABEYA BI-TECH

[Features]
· The ribs on both faces of the washer bite into the surface on which the bolt sits and the fastened part, preventing loosening caused by vibrations.
· For preventing the loosening of fastened parts that adhesives proved insufficient for achieving.
· When combined with an 8.8 strength classification bolt, even more effective loosening prevention is possible.
· Also works with strength classification 12.9 bolts.
· Has a greater loosening prevention effect than normal spring washers.

CAD ：

2D / 3D

Days to Ship: Same day or more
Brass Flat Washer BBW/BBW-C

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Thickness (t) 1.0 mm or less: Brass (C2680)
/ Thickness (t) 1.5 mm or more: Brass (C3604BD), cadmium content less than 75 ppm
[Surface treatment] Nickel plating (Ni) / Degreasing

Days to Ship: 15 Day(s) or more
Round Washer JIS【1-1,500 Pieces Per Package】

SUNCO

[Materials] Steel, stainless steel, A1050, brass
[Surface treatment] None, electroless nickel, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, parker, dacrotized, paint, coating, silver/copper/tin plating

Volume Discount
Days to Ship: 14 Day(s) or more
Single Tongued Washer【1-3,000 Pieces Per Package】

SUNCO

Has been used to prevent loosening. Bending the protruding part of the round flat washer around the nut prevents it from coming loose or turning. Tongue is one sheet.

Days to Ship: 15 Day(s) or more
JIS Compliant Round Washer Steel, Standard Plating【1-20,000 Pieces Per Package】

SUNCO

[Features]
·When the counterpart is wood, use a round washer with a large outer diameter for wood to prevent depressions
[Material]
・ steel
[Standard Plating]
·Trivalent white / bright chromate plating / chrome plating / nickel plating / electroless nickel plating

Volume Discount
Days to Ship: 14 Day(s) or more
Plain Washer【6-1,100 Pieces Per Package】

TRUSCO NAKAYAMA

[Features]·It has a higher tightening effect than the internal tooth lock washer. A general flat washer to prevent male threads heads or nuts from biting into the base material.

Days to Ship: Same day or more
Spring Washer for Cap【80-8,000 Pieces Per Package】

HEIWA HATSUJYO

[Materials] Stainless Steel
[Surface Treatment] Anti-Rust Oil Only, Trivalent Chromate, Chromate, Nickel Plating, Tempering Color
[Inner diameter d (mm)] 2.1 2.4 2.7 3.1 4.1 5.1 6.1 6.5 8.2 10.2 11.4 12.2 13 14.2 16.2 18.2 20.2 22.5 24.5
[Nominal Thread (M)] 2 2.3 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24
[Thread (inch)] 1/4 7/16 1/2
[Thickness t (mm)] 0.5 0.6 0.7 1 1.3 1.5

Days to Ship: 14 Day(s) or more
Internal Tooth Lock Washer

TAIYO STAINLESS SPRING

The teeth protruding into the inner diameter prevent rattling and loosening of screws when combined with flat washers, etc.

Days to Ship: 14 Day(s) or more
Flat, Round Washer【1-1,500 Pieces Per Package】

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Materials] Steel SPCC
[Surface treatment] None, Trivalent chromate, Bright chromate plating, Zinc plating, Chromate plating, Nickel plating, Parkerizing
[Nominal Thread (M)] 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 48
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Surface treatment](Details) None, Trivalent chromate, Trivalent black, Trivalent white, Bright chromate plating, Hot dip galvanizing, Chromate plating, Chromate plating, Green chromate, Black chromate, Nickel plating, Parkerizing
[Outer diameter (mm)] 17 21 24 28 30 34 37

Volume Discount
Days to Ship: 14 Day(s) or more
JIS Spring Lock Washer【80-50,000 Pieces Per Package】

HEIWA HATSUJYO

[Type (application)] Spring Washer
[Type] Spring Washer
[Type]Spring Washer, standard load
[Type]No. 2 (for medium load)
[Materials] Steel, Stainless steel
[Surface treatment] Anti-rust Oil Only, Trivalent Chromate, Chromate, Nickel Plating, Temper Color
[Inner diameter d (mm)] 2.1 2.4 2.7 3.1 4.1 5.1 6.1 6.5 8.2 10.2 11.4 12.2 13 14.2 16.2 18.2 20.2 22.5 24.5
[Nominal Thread (M)] 2 2.3 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24
[Nominal Thread (inch)] 1/4 7/16 1/2
[Thickness t (mm)] 0.5 0.6 0.7 1 1.3 1.5

Days to Ship: 14 Day(s) or more
Washers/LOWA Type【20-50 Pieces Per Package】

MISUMI

Plain washer thicker than normal plain washers, please use it to prevent sinking for slotted holes

Volume Discount

CAD ：

2D / 3D
Days to Ship: Same day or more
Steel Wave Washer (Bearings)(Iwata Standard)【1-100 Pieces Per Package】

IWATA DENKO

Its superior abrasion resistance compared with other carbon steels makes it optimal for preloading a variety of bearings and spring applications with small loads.

Days to Ship: 9 Day(s) or more
Spring Washer【10-1,000 Pieces Per Package】

TRUSCO NAKAYAMA

● A general washer that prevents screws from loosening.

Days to Ship: Same day or more
Flat washers - sold in boxes -【700-2,000 Pieces Per Package】

MISUMI

For in-house inventory or for a large number of uses, purchasing by the carton is advantageous.

CAD ：

2D / 3D

Days to Ship: Same day or more
Double Tongued Washer【1-3,000 Pieces Per Package】

SUNCO

Has been used to prevent loosening. Bending the protruding part of the round flat washer around the nut prevents it from coming loose or turning. Tongue is two sheets.

Volume Discount
Days to Ship: 15 Day(s) or more
Stainless Steel Flat Washer UUW/UUW-H/UUW-BH

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Stainless steel
[Surface treatment] Degreasing / Micro Black (black coating)
*SUS303: Outer diameter has an SUS303 mark for identification

Days to Ship: 8 Day(s) or more
Wave Washer【2,000 Pieces Per Package】

TAIYO STAINLESS SPRING

Stable and gradual loading prevents loosening and rattling. *The CAD data for this series is undergoing revision. This will be available as soon as modifications are complete.

Days to Ship: 18 Day(s) or more
Circular Washer JIS Small【300-10,000 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel, Titanium, Brass
[Surface treatment] None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, Parkerizing, painting, coating

Volume Discount
Days to Ship: 18 Day(s) or more
Specialized Wave Washer【1,000 Pieces Per Package】

OCHIAI

A specialized wave-shaped washer.
[Features]
· Type: spring washer, Material: steel S65C, Internal diameter: 9 mm, Thickness: 0.3 mm.
· Wave washer.
· External diameter: 15 mm.
[Applications]
· An ideal washer for preventing loosening (for screws).

Days to Ship: 14 Day(s) or more
Nord-Lock Washer【1-14 Pieces Per Package】

TRUSCO NAKAYAMA

● Prevents loosening with strong performance against all types of vibration, resistance to lubricants, etc.
●Extremely easy to attach and remove.
●Can be used with any type of commercially available screw.
●Used in any type of industry that uses screws, including the railway, shipbuilding, construction, and automotive industries.

Days to Ship: 1 Day(s) or more
Disk Spring Lock Washer for Hex Socket Head Bolt (for Heavy Loads)【700 Pieces Per Package】

HEIWA HATSUJYO

[Features]
·Heiwa Spring original product
·Disc spring washer specially designed for hexagon socket head cap bolts (cap bolts)
·Due to the large spring action, the axial force of the screw is sufficiently maintained.
·Since the axial force of the bolt is evenly supported around the bearing surface, no bending moment acts on the bolt.
·The method of use is the same as the JIS disk spring washer (2 types), but the CDW has serrations on the front and back, which further enhances the locking effect.
·There are no burrs on the inner and outer circumferences, so the burden of local stress can be reduced.

Days to Ship: 15 Day(s) or more
Steel Flat Washer FFW/FFW-N/FFW-B

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Thickness (t) 1.0 mm or less: Steel plate (SPCC)
Thickness (t) 1.5 mm or more: Carbon steel (S45C)
[Surface treatment] Trivalent chromium chromate / Micro Black (black coating) / Electroless nickel plating (Electroless Ni)

Days to Ship: 9 Day(s) or more
Spring washers - sold in boxes -【700-2,000 Pieces Per Package】

MISUMI

For in-house inventory or for a large number of uses, purchasing by the carton is advantageous.

Volume Discount

CAD ：

2D / 3D
Days to Ship: Same day or more
Washer (with Gas Ventilation Grooves) - SWAS-VF/SWAS-VF-PC【5-20 Pieces Per Package】

NABEYA BI-TECH

For FPD manufacturing equipment, semiconductor manufacturing equipment and other vacuum equipment and chambers in clean rooms.

CAD ：

2D / 3D

Days to Ship: 14 Day(s) or more
JIS Disc Spring Washer Type 1【500-10,000 Pieces Per Package】

HEIWA HATSUJYO

[Type (Application)] Spring Washer
[Type] Spring Washer
[Surface Treatment] (Detail) Tempering Color
[Type]Spring Washer, Conical Spring Washer, Load
[Type]No. 1 (for Light Loads), JIS Standard Type 1
[Materials] Stainless Steel
[Surface Treatment] Trivalent Chromate, Chromate, Nickel Plating, Tempering Color
[Nominal Thread (M)] 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30
[Sales Unit] Individual (Available for Purchase as 1pc) Box and Packaging.
[Materials]Steel S50C to S65C
[Materials]Stainless Steel SUS304-CSP
[Outer Diameter D (mm)] 7 9 10 12.5 17 21

Days to Ship: 15 Day(s) or more
JIS Toothed Lock Washer【250-60,000 Pieces Per Package】

HEIWA HATSUJYO

[Applications]
·Internal Teeth Profile: It is used in inconvenient places such as set screws where teeth appear.
·Outside Tooth Profile: It is used in places where more loosening prevention than the internal tooth profile is required.

Days to Ship: 15 Day(s) or more
Tapered Washer 5° for Channels【1-230 Pieces Per Package】

SUNCO

Made by SUNCO. For channel steel. Type: beveled washer.

Volume Discount
Days to Ship: 8 Day(s) or more
Round ISO Washer for Placing on Screws and Bolts【1-80,000 Pieces Per Package】

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Surface treatment] None
[Surface treatment](Details) none
[Materials] Steel, Stainless steel
[Inner diameter d (mm)] 1.75 2.25 2.35 2.7 3.55 4.5 5.45 7.4 9.4
[Nominal Thread (M)] 2 2.5 2.6 3 4 5 6 8 10
[Thickness t (mm)] 0.3 0.5 0.8 1 1.6 2 5
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Materials] Steel SPCC
[Materials] Stainless Steel SUS304
[Outer diameter (mm)] 5 6.5 7 9 10 12.5 17 21

Days to Ship: Same day or more
Small, Round ISO Washer for Placing on Screws and Bolts【800-50,000 Pieces Per Package】

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Stainless steel
[Surface treatment] None
[Sales unit] Box/package
[Materials] Stainless steel SUS304
[Surface treatment](Details) none
[Inner diameter d (mm)] 1.75 2.05 2.35 2.5 3.55 5.45 7.4 9.3
[Nominal Thread (M)] 2 2.3 2.5 2.6 4 6 8 10
[Thickness t (mm)] 0.3 0.5 0.8 1.6 2 5
[Outer diameter (mm)] 4.3 4.6 5 8 11.5 15.5 18

Days to Ship: 14 Day(s) or more
Round JIS Washer for Placing on Screws and Bolts【5,000-25,000 Pieces Per Package】

ASANO SS

· Type (application): Plain washer
· Type: Plain washer
· Material: Stainless steel
· Surface treatment: None
· Inner diameter (mm): 1.75, 2.05, 2.35, 2.7, 3.55, 4.5, 5.45, 7.4
· Thread: M2, M2.3, M2.6, M3, M4, M5, M6, M8
· Thickness (mm): 0.4, 0.5, 0.8, 1, 1.6, 5
· Sales unit: Low quantity (available for purchase from 1pc), box and package.
· Outer diameter (mm): 6, 7, 7.5, 8, 10, 12, 13, 18

Days to Ship: 18 Day(s) or more
S45C Round Washer 22H【1-800 Pieces Per Package】

SUNCO

[Type (Application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Materials]Steel S45C
[Surface Treatment] None, Trivalent Chromate, Uni-Chromate Plating, Zinc Plating, Chromate Plating
[Inner Diameter d (mm)] 8 10 13 15 17 19 21 23 25 28 39 66 70
[Nominal Thread (M)] 8 10 13 15 17 19 21 23 25 28 39 66 70
[Thickness t (mm)] 1.6 2 2.5 3 4 6 9
[Sales Unit] Individual (Available for Purchase as 1pc), Box and Packaging.
[Surface Treatment](Details) None, Trivalent White, Uni-Chromate Plating, Hot-Dip Galvanizing, Chromate Plating, Chromate Plating, Black Chromate
[Outer Diameter (mm)] 17 21 24 28 30 34

Days to Ship: 14 Day(s) or more
Special-Sized Curved Washer【600-2,000 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, bright chromate plating, chromate plating

Days to Ship: 14 Day(s) or more
Aluminum Washer AAW/AAW-B

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Thickness (t) 1.0 mm or less: Aluminum (A1050) / Aluminum
Thickness (t) 1.5 mm or more: Lead-free, free-cutting aluminum / Aluminum
[Surface treatment] Base material / Black anodized (BAL)

Days to Ship: 18 Day(s) or more
Flat Washer BW/TIW/UMW

HIROSUGI-KEIKI

[Supported nominal thread diameter (M)] 3/4/5/6/8/10/12
[Material] Stainless steel / Pure titanium
[Treatment method] Pure titanium: Degreasing

[Pure titanium]
Specific gravity is approximately 60% of that of stainless steel. It also has excellent chemical resistance and especially seawater resistance.
Since titanium is non-magnetic, it can be used for equipment requiring non-magnetic properties such as electronic equipment, semiconductor manufacturing equipment, medical equipment, etc.

Days to Ship: 15 Day(s) or more
Sealing Washer (NBR) - SWS/SWS-F【5-10 Pieces Per Package】

NABEYA BI-TECH

This stainless steel sealing washer features rubber packaging. Prevents leakages of air and liquid from bolt installations. Suitable for use with hydraulic and pneumatic equipment.

CAD ：

2D / 3D

Days to Ship: Same day or more
Bent Washer【1,000 Pieces Per Package】

OCHIAI

A flat washer bent into an arch shape.
[Features]
· A flat washer bent into an arch shape that generates load through bending.
· Type: spring washer.
[Applications]
· Ideal for preventing loosening of screws.

Days to Ship: 14 Day(s) or more
Spring Washer No. 3, for Heavy Loads【15-1,500 Pieces Per Package】

SUNCO

For use with heavy loads. The screw has a larger outer diameter than No. 2. A twisted conformation is created, with part of the flat washer cut off. This twisted shape helps prevent loosening or falling if the screw is loosened.

Volume Discount
Days to Ship: 9 Day(s) or more
Tapered Washer, for 8° i-beams【1-250 Pieces Per Package】

SUNCO

For steel I beam. [Type (applications)]Plain washer "Type" beveled washer

Volume Discount
Days to Ship: 14 Day(s) or more
Plate Lug, Lug Terminal, M2.6【2,000 Pieces Per Package】

ASANO SS

Electronic components can be easily mounted by soldering their wiring to the openings in other components.

Days to Ship: 18 Day(s) or more
Circular Washer Coarse【1-2,500 Pieces Per Package】

ASANO SS

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Brass
[Surface treatment] None, nickel plating
[Inner diameter d (mm)] 3.3 4.5 5.3 6.5 8.5 10.5 13.5 17 21 23.5 27
[Nominal Thread (M)] 3 4 5 6 8 10 13.5 16 20 22 25
[Thickness t (mm)] 0.3 0.4 0.6 0.7 1 1.2 1.5
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Surface treatment](Details) None, Nickel plating

Days to Ship: 14 Day(s) or more

Days to Ship:	Same day or more

Days to Ship:	18 Day(s) or more

Days to Ship:	14 Day(s) or more

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Brand
Product Series
CAD
Days to Ship
Material
Surface Treatment
Inner Dia. d(mm)
I.D. d(inch)
Nominal of Thread (M)
Outer Diameter D(inch)
Type
Type (Application)
Sales Unit
Thickness t(mm)
Thickness t(inch)
Type Spring Washers
Material: Stainless Steel
Surface Treatment (Detailed)
Nominal of Thread (inch)
Material Steel
Type Toothed Washer


Brand	SUNCO	SUNCO	IWATA DENKO	SUNCO	SUNCO	NABEYA BI-TECH	HIROSUGI-KEIKI	SUNCO	SUNCO	SUNCO	TRUSCO NAKAYAMA	HEIWA HATSUJYO	TAIYO STAINLESS SPRING	SUNCO	HEIWA HATSUJYO	MISUMI	IWATA DENKO	TRUSCO NAKAYAMA	MISUMI	SUNCO	HIROSUGI-KEIKI	TAIYO STAINLESS SPRING	SUNCO	OCHIAI	TRUSCO NAKAYAMA	HEIWA HATSUJYO	HIROSUGI-KEIKI	MISUMI	NABEYA BI-TECH	HEIWA HATSUJYO	HEIWA HATSUJYO	SUNCO	SUNCO	SUNCO	ASANO SS	SUNCO	SUNCO	HIROSUGI-KEIKI	HIROSUGI-KEIKI	NABEYA BI-TECH	OCHIAI	SUNCO	SUNCO	ASANO SS	ASANO SS
Product Series	Spring Lock Washer No. 2【1-10,000 Pieces Per Package】	Special-Sized Round Washer【300-1,000 Pieces Per Package】	Steel Wave Washer (Iwata Standard)【1-1,000 Pieces Per Package】	Special Size Round Washer Steel, Standard Plating【1-20,000 Pieces Per Package】	Disc Spring Lock Washer, JIS B 1251, Class 1, for Screws, for Light Loads【500-10,000 Pieces Per Package】	Ribbed-Lock Washer - SWR【5-20 Pieces Per Package】	Brass Flat Washer BBW/BBW-C	Round Washer JIS【1-1,500 Pieces Per Package】	Single Tongued Washer【1-3,000 Pieces Per Package】	JIS Compliant Round Washer Steel, Standard Plating【1-20,000 Pieces Per Package】	Plain Washer【6-1,100 Pieces Per Package】	Spring Washer for Cap【80-8,000 Pieces Per Package】	Internal Tooth Lock Washer	Flat, Round Washer【1-1,500 Pieces Per Package】	JIS Spring Lock Washer【80-50,000 Pieces Per Package】	Washers/LOWA Type【20-50 Pieces Per Package】	Steel Wave Washer (Bearings)(Iwata Standard)【1-100 Pieces Per Package】	Spring Washer【10-1,000 Pieces Per Package】	Flat washers - sold in boxes -【700-2,000 Pieces Per Package】	Double Tongued Washer【1-3,000 Pieces Per Package】	Stainless Steel Flat Washer UUW/UUW-H/UUW-BH	Wave Washer【2,000 Pieces Per Package】	Circular Washer JIS Small【300-10,000 Pieces Per Package】	Specialized Wave Washer【1,000 Pieces Per Package】	Nord-Lock Washer【1-14 Pieces Per Package】	Disk Spring Lock Washer for Hex Socket Head Bolt (for Heavy Loads)【700 Pieces Per Package】	Steel Flat Washer FFW/FFW-N/FFW-B	Spring washers - sold in boxes -【700-2,000 Pieces Per Package】	Washer (with Gas Ventilation Grooves) - SWAS-VF/SWAS-VF-PC【5-20 Pieces Per Package】	JIS Disc Spring Washer Type 1【500-10,000 Pieces Per Package】	JIS Toothed Lock Washer【250-60,000 Pieces Per Package】	Tapered Washer 5° for Channels【1-230 Pieces Per Package】	Round ISO Washer for Placing on Screws and Bolts【1-80,000 Pieces Per Package】	Small, Round ISO Washer for Placing on Screws and Bolts【800-50,000 Pieces Per Package】	Round JIS Washer for Placing on Screws and Bolts【5,000-25,000 Pieces Per Package】	S45C Round Washer 22H【1-800 Pieces Per Package】	Special-Sized Curved Washer【600-2,000 Pieces Per Package】	Aluminum Washer AAW/AAW-B	Flat Washer BW/TIW/UMW	Sealing Washer (NBR) - SWS/SWS-F【5-10 Pieces Per Package】	Bent Washer【1,000 Pieces Per Package】	Spring Washer No. 3, for Heavy Loads【15-1,500 Pieces Per Package】	Tapered Washer, for 8° i-beams【1-250 Pieces Per Package】	Plate Lug, Lug Terminal, M2.6【2,000 Pieces Per Package】	Circular Washer Coarse【1-2,500 Pieces Per Package】
CAD						2D / 3D										2D / 3D			2D / 3D									2D / 3D	2D / 3D											2D / 3D
Days to Ship	Same day or more	18 Day(s) or more	14 Day(s) or more	8 Day(s) or more	15 Day(s) or more	Same day or more	15 Day(s) or more	14 Day(s) or more	15 Day(s) or more	14 Day(s) or more	Same day or more	14 Day(s) or more	14 Day(s) or more	14 Day(s) or more	14 Day(s) or more	Same day or more	9 Day(s) or more	Same day or more	Same day or more	15 Day(s) or more	8 Day(s) or more	18 Day(s) or more	18 Day(s) or more	14 Day(s) or more	1 Day(s) or more	15 Day(s) or more	9 Day(s) or more	Same day or more	14 Day(s) or more	15 Day(s) or more	15 Day(s) or more	8 Day(s) or more	Same day or more	14 Day(s) or more	18 Day(s) or more	14 Day(s) or more	14 Day(s) or more	18 Day(s) or more	15 Day(s) or more	Same day or more	14 Day(s) or more	9 Day(s) or more	14 Day(s) or more	18 Day(s) or more	14 Day(s) or more
Material	Steel / Stainless Steel / Titanium Class 2 / Phosphor Bronze	Stainless Steel	Steel	Steel	Steel	Steel	Brass	Stainless Steel	Steel / Stainless Steel / Brass	Steel	Steel / Stainless Steel	Steel	Stainless Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Brass	Stainless Steel	Steel	Stainless Steel	Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	Stainless Steel	Steel	Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Stainless Steel	Steel	Steel	Aluminum	Stainless Steel / Brass	Stainless Steel	Stainless Steel	Steel / Stainless Steel	Steel	Brass	Brass
Surface Treatment	Not Provided / Electroless Nickel Plating / Trivalent Chromate / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing / Dacrotizing / Painting, Coating / Silver/Copper/Tin Plating	-	-	Trivalent Chromate / Bright Chrome Plating / Nickel Plating / Chrome Plating	Nickel Plating	Black Oxide	Not Provided / Nickel Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Electroless Nickel Plating / Nickel Plating / Chrome Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating	Temper Color	Not Provided	Trivalent Chromate / Chromate Plating / Nickel Plating / Parkerizing	Not Provided / Trivalent Chromate / Temper Color	Not Provided / Trivalent Chromate	-	Not Provided / Trivalent Chromate / Bright Chrome Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Painting, Coating	Painting, Coating	Silver/Copper/Tin Plating	-	Not Provided	Nickel Plating	Trivalent Chromate / Nickel Plating / Painting, Coating	-	Not Provided / Polishing	Nickel Plating	Trivalent Chromate / Nickel Plating	Trivalent Chromate / Chromate Plating / Nickel Plating / Parkerizing	-	-	Not Provided	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Bright Chrome Plating	Not Provided / Anodize	Not Provided / Anodize	Not Provided	-	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Parkerizing	Trivalent Chromate / Chromate Plating / Nickel Plating	Nickel Plating	Not Provided / Nickel Plating
Inner Dia. d(mm)	2.1 ～ 57	6.5 ～ 14	10.5 ～ 62	3 ～ 39	5.3 ～ 13	3.2 ～ 21	1.5 ～ 16.2	8.5 ～ 21	5.3 ～ 54	2.3 ～ 41	2.3 ～ 22	5.1 ～ 30.5	11.4	9 ～ 36	2.1 ～ 24.5	3.3 ～ 8.5	19.7 ～ 99	2.1 ～ 20.2	3.2 ～ 13	5.3 ～ 54	1.5 ～ 16.2	13	3.3 ～ 12.5	6.5 ～ 9	3.4 ～ 17	14.6	1.5 ～ 16.2	3.1 ～ 12.2	3.2 ～ 13	5.3 ～ 13	2.2 ～ 23	6 ～ 38	1.75 ～ 7.4	1.75 ～ 9.3	2.35 ～ 4.5	8 ～ 28	4 ～ 6	2.9 ～ 16.2	3.3 ～ 5.5	3.2 ～ 18.8	6.5	6.1 ～ 42.5	11 ～ 22	-	8.5 ～ 23.5
I.D. d(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal of Thread (M)	2 ～ 56	6 ～ 14	-	3 ～ 330.6	5 ～ 12	3 ～ 20	1.4 ～ 16	8 ～ 20	5 ～ 52	2 ～ 39	2 ～ 20	5 ～ 30	-	8 ～ 33	2 ～ 24	3 ～ 8	-	2 ～ 20	3 ～ 12	5 ～ 52	1.4 ～ 16	12	3 ～ 12	-	3 ～ 16	14	1.4 ～ 16	3 ～ 12	3 ～ 12	5 ～ 12	2 ～ 22	5 ～ 36	2 ～ 8	2 ～ 10	2.6 ～ 5	8 ～ 28	4 ～ 6	2.6 ～ 16	3 ～ 5	3 ～ 16	-	6 ～ 42	10 ～ 20	2.6	8 ～ 22
Outer Diameter D(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Type	Spring Washer	Flat Washer	Washer for Corrugated Sheet	Flat Washer	Spring Washer	Spring Washer	Flat Washer	Flat Washer	Tab Washer - One-Tabbed / Two-Tabbed	Flat Washer	Flat Washer	Spring Washer	Toothed Washer (Toothed Lock Washer)	Flat Washer	Spring Washer	-	Washer for Corrugated Sheet	Spring Washer	Flat Washer	Tab Washer - One-Tabbed / Two-Tabbed	Flat Washer	Spring Washer	Flat Washer	Spring Washer	Nord-Lock Washer	Spring Washer	Flat Washer	Spring Washer	Flat Washer	Spring Washer	Toothed Washer (Toothed Lock Washer)	Tapered Washer	Flat Washer	Flat Washer	Flat Washer	Flat Washer	Spring Washer	Flat Washer	Flat Washer	Seal Washer	Spring Washer	Spring Washer	Tapered Washer	Tapered Washer	Flat Washer
Type (Application)	Spring Washer	Flat Washer	-	Flat Washer	Spring Washer	Spring Washer	Flat Washer	Flat Washer	Special Shaped Washer	Flat Washer	Flat Washer	Spring Washer	Washer with Threadlocker Adhesive	Flat Washer	Spring Washer	Flat Washer	-	Spring Washer	-	Special Shaped Washer	Flat Washer	Washer with Threadlocker Adhesive	Flat Washer	-	Washer with Threadlocker Adhesive	Spring Washer	Flat Washer	-	Flat Washer	Spring Washer	Washer with Threadlocker Adhesive	Flat Washer / Special Shaped Washer	Flat Washer	Flat Washer	Flat Washer	Flat Washer	Spring Washer	Flat Washer	Flat Washer	Washer with Threadlocker Adhesive	-	Spring Washer	Flat Washer	Flat Washer	Flat Washer
Sales Unit	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.
Thickness t(mm)	0.5 ～ 10	0.5 ～ 2	0.3 ～ 0.5	0.3 ～ 45	0.8 ～ 2.2	0.5 ～ 1.5	0.1 ～ 5	1.6 ～ 3.2	0.5 ～ 1.8	0.4 ～ 23	0.4 ～ 3.2	1.4 ～ 6	-	1.6 ～ 6	0.5 ～ 5.9	1 ～ 3.2	0.25 ～ 0.6	0.5 ～ 5.1	-	0.5 ～ 1.8	0.1 ～ 5	0.25	0.5 ～ 2.3	0.2 ～ 0.3	1.8 ～ 3.4	2	0.3 ～ 5	-	0.5 ～ 2.5	0.8 ～ 2.2	0.3 ～ 1.4	2 ～ 8	0.3 ～ 5	0.3 ～ 2	0.5 ～ 5	1.6 ～ 4	0.6 ～ 1	0.3 ～ 5	0.5 ～ 0.8	2.1 ～ 5.3	0.5	1.9 ～ 11.1	2 ～ 2.5	0.25	0.6 ～ 1.5
Thickness t(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Type Spring Washers	Standard	-	Wave	-	Disc Spring	Serrated Conical Disc Spring	-	-	-	-	-	Standard	-	-	Standard	-	Wave	Standard	-	-	-	Wave	-	Wave	-	Serrated Conical Disc Spring	-	-	-	Disc Spring	-	-	-	-	-	-	Disc Spring	-	-	-	Wave	Standard	-	-	-
Material: Stainless Steel	SUS304 ～ SUS310S	SUS304	-	-	-	-	-	SUS329J4L	SUS304	-	SUS304	-	SUS304	-	SUS304	SUS304	-	SUS304	SUS304	-	SUS303 ～ SUS304	-	SUS304	-	SUS316L	-	-	SUS304	SUS304	-	-	-	SUS304	SUS304	-	-	-	-	SUS316	SUS304	-	SUS304	-	-	-
Surface Treatment (Detailed)	Copper Plating / Lafre / Not Provided / Electroless Nickel Plating / Trivalent Chromate / Hot Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing / Dacrotizing / GeoMet Coating	-	Not Provided	Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating	Nickel Plating	Black Oxide	Not Provided / Nickel Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Electroless Nickel Plating / Nickel Plating / Chrome Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating	Temper Color	Not Provided	Trivalent Chromate / Chromate Plating / Nickel Plating / Parkerizing	Temper Color / Not Provided	Not Provided / Trivalent Chromate	Not Provided	Not Provided / Trivalent Chromate / Bright Chrome Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Black Paint / Not Provided	Seizure-Against Coating	Copper Plating	-	Not Provided / Chromium free	Nickel Plating	Black Paint / Electroless Nickel Plating / Trivalent Chromate	-	Not Provided / Special Chemical Grinding	Temper Color	Temper Color	Trivalent Chromate / Chromate Plating / Nickel Plating / Parkerizing	-	-	-	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Bright Chrome Plating	Not Provided / Black Anodize	Not Provided / Black Anodize	Not Provided	-	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Parkerizing	Trivalent Chromate / Chromate Plating / Nickel Plating	Nickel Plating	Not Provided / Nickel Plating
Nominal of Thread (inch)	1/2 ～ 7/16	-	-	-	-	-	-	-	1/2	-	1/2 ～ 3/8	-	7/16	-	1/4	-	-	1/2 ～ 3/8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1/2	-	-	-
Material Steel	SWRH	-	Spring Steel	SPCC	S50C	SCM Steel	-	-	SPCC	SPCC	SPCC	SWRH	-	SPCC	SWRH	-	Spring Steel	SWRH	SPCC	SPCC	-	Spring Steel	-	S65C	-	S50C	S45C ～ SPCC	SWRH	-	S50C	S50C	SS400	SPCC	SPCC	-	S45C	SPCC	-	-	-	-	SWRH	SS400	-	-
Type Toothed Washer	-	-	-	-	-	-	-	-	-	-	-	-	Internal Teeth Type	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Internal Teeth Type / External Teeth Type	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Configure

Specification/Dimensions

Material
- Steel
- Stainless Steel
- Titanium Class 2
- Aluminum
- Brass
- Phosphor Bronze
- Titanium Class 1
Clear

Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parkerizing
- Anodize
- Dacrotizing
- Polishing
- Painting, Coating
- Silver/Copper/Tin Plating
- Temper Color
- Passivated
Clear

Inner Dia. d(mm)
0.114

0.125

0.141

0.156

0.167

0.172

0.193

0.203

0.252

0.281

0.314

0.344

0.377

0.391

1.05

1.1

1.3

1.5

1.7

1.75

1.8

2.1

2.2

2.25

2.3

2.35

2.4

2.5

2.6

2.7

2.8

2.9

3

3.1

3.15

3.2

3.3

3.4

3.5

3.55

3.6

3.7

3.8

3.9

4

4.1

4.2

4.25

4.3

4.4

4.5

4.7

4.8

5

5.1

5.2

5.25

5.3

5.36

5.4

5.45

5.5

5.8

6

6.1

6.2

6.3

6.4

6.5

6.6

6.8

7

7.1

7.2

7.4

7.5

7.8

8

8.1

8.2

8.3

8.4

8.5

8.7

8.8

9

9.1

9.3

9.4

9.6

9.8

10

10.2

10.3

10.5

10.6

10.7

10.8

11

11.2

11.4

11.6

11.8

12

12.2

12.5

12.6

12.7

13

13.2

13.3

13.5

13.8

14

14.2

14.3

14.5

14.6

15

15.2

15.5

15.8

15.9

16

16.2

16.5

16.7

16.9

17

17.5

17.7

17.8

18

18.2

18.3

18.7

18.8

18.9

19

19.5

19.6

19.7

19.8

20

20.2

20.7

20.9

21

21.4

21.5

21.75

22

22.1

22.5

22.9

23

23.2

23.4

23.5

23.75

24

24.5

24.75

25

25.2

25.3

25.4

25.5

26

26.1

26.4

26.6

26.75

27

27.5

27.75

28

28.2

28.4

28.5

29

29.3

29.75

29.8

30

30.1

30.4

30.5

31

31.2

31.4

31.5

31.9

32

32.5

33

33.5

33.7

33.9

34

34.3

34.4

34.5

35

35.75

35.8

36

36.5

37

37.4

37.5

37.75

38

38.5

39

39.5

39.8

40

40.4

40.5

40.6

41

41.7

42

42.5

43

43.2

44

45

45.8

46

47

47.2

47.3

47.5

48

49

49.6

50

51

51.4

51.5

51.8

52

53

53.6

54

54.3

55

56

57

57.3

58

59.1

61.3

61.9

62

63.1

64.2

65

66

67.1

69

69.5

70

71.1

74

75

75.1

78

79.1

79.3

79.7

83.1

87.5

88.9

95.8

99

108.3

112.4
Drawing

Clear

I.D. d(inch)
0.109

0.148

0.227

0.291

0.355

0.400

0.416

0.450

0.512

0.573

0.827

0.894

0.952

1.077

1.202

1.327

1.640
Drawing

Clear

Nominal of Thread (M)
0.5

1

1.2

1.4

1.6

1.7

2

2.3

2.5

2.6

3

3.5

4

4.5

5

5.1

6

7

8

9

10

11

12

13

13.5

14

14.5

15

16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

33

34

36

37

38

39

41

42

43

44

45

45.1

45.2

45.3

46

47

48

50

51

52

54

55

55.1

55.2

55.3

56

60

63

64

65.1

65.2

65.5

66

68

70

72

76

80

80.3

85

85.2

85.3

90

95

105

105.1

105.2

105.3

110

110.3

110.4

110.5

110.6

115

120

125

125.1

125.2

125.4

125.5

130

130.2

135.2

135.3

135.4

135.5

135.6

140.3

140.4

145.4

145.5

150.2

150.6

170.2

170.3

170.4

170.5

170.6

180.4

180.5

180.6

210.3

210.4

210.5

210.6

220.5

230.5

235.5

240.5

240.6

255.6

260.4

260.5

330.6
Clear

Outer Diameter D(inch)
0.250

0.270

0.377

0.645

0.698

0.760

0.776

0.869

0.885

1.260

1.459

1.770

2.020

2.250

2.520

2.770

3.270
Drawing

Clear

Type
- Flat Washer
- Spring Washer
- Toothed Washer (Toothed Lock Washer)
- Rosette Washer
- Tab Washer - One-Tabbed / Two-Tabbed
- Nord-Lock Washer
- Tapered Washer
- Spherical Washer
- Ornamental Washer for Ornamental Screws
- Hooked Washer for Jig
- Split Washer for Jig
- Square Washer
- Flat Washer with Cover
- Seal Washer
- Pawl Washer
- Washer for Corrugated Sheet
- Fall Prevention and loosening Prevention Spring
Images

Clear

Type (Application)
- Flat Washer
- Spring Washer
- Special Shaped Washer
- Washer with Threadlocker Adhesive
- Washer for Fluid
Clear

Sales Unit
Low Quantity (Available beginning with 1 pc.)

Box, Pkg.
Clear

Thickness t(mm)
0.031

0.05

0.059

0.1

0.15

0.2

0.25

0.29

0.3

0.4

0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.25

1.3

1.4

1.5

1.6

1.75

1.8

1.9

2

2/4.5

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

3

3/6

3.2

3.3

3.4

3.45

3.5

3.55

3.6

3.7

3.8

3.9

4

4.1

4.2

4.3

4.5

4.6

4.7

4.8

5

5.1

5.2

5.3

5.4

5.5

5.6

5.8

5.9

6

6.2

6.3

6.4

6.6

6.8

7

7.1

7.2

7.5

7.9

8

8.2

8.3

8.7

9

9.1

9.3

9.5

10

11

11.1

11.2

12

14

15

16

17

18

21

22

23

27

30

32

45
Drawing

Clear

Thickness t(inch)
0.031

0.042

0.044

0.045

0.055

0.056

0.067

0.073

0.088

0.109

0.115

0.125

0.135

0.219
Drawing

Clear

Type Spring Washers
- Standard
- Disc Spring
- Wave
- Serrated Conical Disc Spring
- Bent
Details

Clear

Material: Stainless Steel
254SMO

SUS302

SUS303

SUS304

SUS310S

SUS316

SUS316L

SUS329J4L

Stainless Steel
Clear

Surface Treatment (Detailed)
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Chromium free
- Trivalent Chromate
- Bright Chrome Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Black Nickel Plating
- Chrome Plating
- Parkerizing
- Black Anodize
- Dacrotizing
- Special Chemical Grinding
- GeoMet Coating
- Baked Paint
- Seizure-Against Coating
- Copper Plating
- Lafre
- Black Paint
- Temper Color
- Passivated
Clear