twist drill bits,taper shank drill bits,masonry drill bit,electric hammer drill bit
twist drill bits,taper shank drill bits,masonry drill bit Used in drilling concrete,stone,metal and brick .
Features Specifications:
coating:polished,black plated,nikel plated,chrome plated,titanium plated
We can producing all specifications according to customer's requirements
twist drill bits,taper shank drill bits,masonry drill bit,electric hammer drill bit
