... and best price OEM, send drawings for special cutters Drill bits, twit drills, center drills 1) Our factory specialize in ... Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter, T ... : cast iron, carbon steel, alloy steel, hardened steel, quenched steel, non-ferrous metals, etc.6) Good for machining up to HRC65 ...