Metric HSS M42 Cobalt Twist Drill Bits Set

In the practical application process, we know that the carbide bit is made of a complete carbide bar, using a 5-axis automatic machining center precision grinding. Carbide bits have wide versatility, high strength, high hardness performance, fast cutting speed, wear resistance, good red hardness characteristics, suitable for processing various materials of parts. Carbide drills can be divided into two types according to the cooling structure: no cooling hole and cooling hole.

Welcome to Behappy Crafts, we are the professional manufacturer of power tool accessories, we are specilized in drill bits, hole saw, cutting discs, etc. We have our own plant to produce different types of the twist drill bits for metal, aluminium, wood working. Our twist drill bits are processed by Roll Forged and Fully Ground, with the different angle. We can do the differnet surface treament, bright finish, black, tin coated, amber finsh etc. Our twist drill bits are fast working and dural to use. Welcome to visit us and start our cooperation.