... 1,taper shank drill bit 2,drill bit 3,ground shank drill 4,micro carbide quick bits 5,tungsten carbide drill bits Our Facility ... . 00/-0.02mm3,Solid carbide cutting tools,drilling tools,drilling tool bits4. Scope of application: Alloy steel, Carbon steel, cast ... \OEM accepted8,We can also manufacture spherical drilling tool.drill,drilling rig,drill bit,power drill9,Material:Solid carbide steel(tungsten ...