Solid Carbide Twist Drill Bit

We are offering solid carbide twist drill bit.mark & model ： the barstock of the solid carbide twist drill bit is made of k20 and k25 carbide through cnc processing center. Different surface treatments include coating of titanium, titanium aluminum nitride coating and non-coating treatment. The product is featured as high precision and sharp cutting. Origin ： asia and pacific area china quality standard ： international h.s.classification ： metal articles metal tools 8207 interchangeable tools for hand- or machinetools & base metal parts thereof