Flat Shank Black Finish Masonry Drill Bits Masonry Concrete Drill Bit
Customized support: OEM
Treatment: Overall fine heat treatment
Material: High quality standard YG8C carbide tip
Body material: Fine #40 Cr material body
Material: Tip, high quality YG8C carbide tip; body, fine #40 Cr
Sizes available: dia from 3-40mm; length from 50-650mm
Manufacturing process: milled
Flute types available: R type, U type, L type, double flutes type etc
