Metal Drill Bit, Wood Drill Bit, Hex Shank Drill Bit manufacturer / supplier in China, offering 105mm 115mm 125mm Abrasive Cutting Discs for Metal Stainless Cutting, Suborui 135 Degree Split Point Black Oxide Coated 1-10mm 10PCS DIN338 HSS M35 Co5% Twist Drill Bit Set for Plastic Wood Metal, 4.5inch Cutting Discs 115*1.2*22mm Cutting for Metal and Stainless Steel 115mm Abrasive Cutting Disc and so on.