12pcs 6mm Nitride Titanium Coated High Speed Steel HSS 4341 Twist Drill Bits 18mm X 21mm ): 31 x 42mm /

): 31 x 42mm / 1

copper is an Good material for manufacturing functional items

Granularity: 180 Grits

the metal stud is one piece terminated and bonded within the rubber that performs better isolation

* The socket bit is compatible with hand tools only

12pcs 6mm Nitride Titanium Coated High Speed Steel HSS 4341 Twist Drill Bits 18mm X 21mm ): 31 x 42mm /Specifications: Cutting Edge Diameter: 6mm 0. 236" Round Shank Diameter: 6mm 0. 236" Cutting Edge Length: 58mm 2. 28" Overall Length: 93mm 3. 66" Split Point: 135 Degree Material: 4341 High Speed Steel (HSS) Finish: Nitride & Titanium Coated (TiN Coated) Package: 12pcs x Twist Drill Bits Descriptions: 4341 high speed steel contains high content of carbon and alloy elements, providing excellent cutting performance, high heat resistance, high hardness,