Spiral Taps(Screw size (Nominal):1 7/8-8UN)

An online store for spiral taps. In MISUMI's e-catalog (online general catalog), specifications/dimensions of nominal, pitch, screw type, delivery date, etc. can be selected with one click, so you can easily find the desired spiral tap.

[What is a spiral tap?]
A cutting tap with grooves twisted so as to discharge chips in the direction opposite to the tap traveling direction (front side), making it ideal for machining "blind hole" threads. As it has good machinability, it is suitable for viscous materials (stainless steel, aluminum, copper, etc.). Also, as the discharge of chips is good, it is also suitable for machining. There are two types of materials, mainly HSS (= high speed steel) and carbide: HSS is tough and hard to break and carbide is abrasion resistant.
Days to Ship
  • All
  • 2 Day(s) or Less
  • 7 Day(s) or Less
  • 9 Day(s) or Less
  • 11 Day(s) or Less
  • 12 Day(s) or Less
  • 13 Day(s) or Less
  • 15 Day(s) or Less
  • 17 Day(s) or Less
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Product Series
Days to Ship
Screw Types
Screw size (Nominal)
Pitch (P), Number of Threading(mm)
Chamfer threads (Lcf)
Tool Material Type
work material
Tap Type
Hole type
Coating Y/N
Coating Type
Overall Length (L)(mm)

    Model A Tap Series, Spiral Tap A-SFT



    Product Series

    Model A Tap Series, Spiral Tap A-SFT

    Days to Ship 11 Day(s) or more
    Screw Typesunified
    Screw size (Nominal)1 7/8-8UN
    Pitch (P), Number of Threading(mm)-
    Chamfer threads (Lcf)2.5P
    Tool Material TypeVanadium High-Speed Steel
    work materialLow-Carbon Steel (carbon alloy less than 0.25%)[○] / Medium carbon steel (carbon content 0.25 to 0.45%)[◎] / High Carbon Steel (C with a content over 0.45%)[◎] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Ductile Cast Iron (FCD)[○] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[◎] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○]
    Tap TypeSpiral Tap
    Hole typeFor blind hole
    Coating Y/NAvailable
    Coating TypeOther
    Overall Length (L)(mm)225


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