1. The M35 drill bit is made of cobalt high speed steel, contain 5% Cobalt, high hardness, fast cutting speed, improve wear resistance, more durable than ordinary high speed steel drill bit. 2. The cobalt drill bit can be used to harden materials.

In stock
Size 2.8mmx60mm
Gtin 00786527072675
Mpn s23051900ux1641
Condition new