Gun Drill Bits
Tungsten Steel
High Precision
Sharp and Wear-Resistant
Smooth Cutting
Smooth Chip Removal
It is mainly used for milling grooves and milling of difficult-to-machine materials such as ordinary steel, iron, copper, and aluminum, especially stainless steel, hardened steel, and printed circuit boards. It has 6-7 times longer life than high speed steel saw blade milling cutter, accurate size .