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Sumi Boron Chip C (80° Rhombus) 2NU-CCGW-T

Sumi Boron Chip C (80° Rhombus) 2NU-CCGW-T

Unique CBN sintered tool (Sumiboron) insert. It possesses high hardness and exceptional heat resistance compared to conventional tool material.


Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipWork Material Nose Radius Material Type Detail Nose Radius
Cutting Edge Length
Material No. of Inserts No. of Insert Types Type Code
9 Day(s) or more Cast Iron / Heat-Resistant Alloy, Titanium Alloy0.4BN70000.42.5CBN2Multi Corner TypeOne Use Chip
9 Day(s) or more Cast Iron0.4BN75000.42.5CBN2Multi Corner TypeOne Use Chip
9 Day(s) or more Cast Iron / Heat-Resistant Alloy, Titanium Alloy0.8BN70000.82.4CBN2Multi Corner TypeOne Use Chip
9 Day(s) or more Cast Iron0.8BN75000.82.4CBN2Multi Corner TypeOne Use Chip


  1. 1

Basic Information

Shape C (80° Diamond) Use Outer Diameter / Inner Diameter Rake Angle Positive
Clearance Angle(°) 7 Corner Height Tolerance ±0.025 Inscribed Circle Tolerance ±0.025
Thickness Tolerance ±0.13 Slot Code W Hole Availability Available
Hole Shape Cylindrical bore / one side chamfering (40° to 60°) Breaker Availability NA Dimension S(mm) 3.97
Dimension φd(mm) 9.525 Machining Application ② Standard Blade Tip

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