... and best price OEM, send drawings for special cutters Drill bits, twit drills, center drills 1) Our factory specialize ... Mill, Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter, ... ).4) Longer tool life, super high wear resistant and impact-resistant application.5) Work piece material: cast iron, carbon ...