1,taper shank drill bit 2,drill bit 3,ground shank drill 4,micro carbide quick bits 5,tungsten carbide drill bits Our Facility: 6 ... \OEM accepted8,We can also manufacture spherical drilling tool.drill,drilling rig,drill bit,power drill9,Material:Solid carbide steel(tungsten steel ... as possible,including UPS,DHL,Fedex and EMS. Taper shank drill bit