1) Co:10-12% 2) Grain size: 0.5-0.6um 3) DIN or ANSI standard 4) ISO9001:2008 5) Coated or not coated

We supply tungsten carbide drills, carbide drills, solid carbide drills, cemented carbide drills including twist dirlls, center drills, drills with straight flute, 3-lip drills, Diameter: 1mm-30mm Coated: Tialn, tin (option) With high quality, delivery  in time and good price. Attention: The price is different because of the different grade of the material your choosed. We also supply  milling cutters, reamer, solid carbide saws, indexable insert, other tungsten carbide products. ..We accept the specification as your requirement. 

drill set