10pcs Drill Bits 6mm 7mm Woodworking Cutting Drilling Grinding Tools

Features:
Include A-type cylindrical, C-type cylindrical ball, D-type ball, E-type elliptical, F-type curved round head, G-type curved tip, H-type torch, L-type conical round head, M-type tapered tip, N-type of inverted cone
High smoothness, which can process high-precision mold cavities of different shapes
Simple and convenient to use, safe and reliable tungsten steel drill bits without dust pollution
Suitable for various metals (including hardened steel) and non-metals (such as marble, jade, bone)

Widely Used:
Clean the flash, burrs and welds of castings, forgings and weldments, such as work for machine-casting plants, shipyards, automobile plants, etc.
Finish the surface of mechanical parts, such as work for machinery factory, repair shop, etc.
Repair the impeller runners, such as work for the automobile engine factory.

Usage:
Mainly used in pneumatic or electric driving tools. The tool clamping is positive when used, which is better to reverse milling, avoiding reciprocating cutting, and should be prevented during work.