3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile

3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile

tungsten carbide drill bits

Description

Choosing the right drill bit for the task is an important part of any project or application. Whether it’s matching the appropriate bit to the substrate material, getting the right match for the depth and diameter of the hole, or even the volume of work needed, the right choice can extend the life of your drill bits. This in turn helps to improve productivity by allowing you to get more done with each drill bit.

Specifications

DB-3D/5D Tungsten steel drill bit is made of imported fine particle tungsten steel material with bending strength of 4300mpa, grain size of 0.6 μm, and high-performance composite coating imported from Switzerland. The cutter adopts special angle design, strict quality control, self inspection rate of 100%, qualification rate of more than 98%, suitable for hole processing of various grades of steel, non-ferrous metals and other materials.

Coating

Standard Sizes