HSS Twist Drill Bits, Diamond Saw Blade, Hole Saw manufacturer / supplier in China, offering HSS 135 Degree Split Point Twist Drill Bit Black & Gold Oxide with Reduced Shank by Silver and Deming, M35 HSS 1"X6" Drill Bits for Stainless Steel 1/2\" Reduced Shank with 135 Degree Split Point, 8 Piece Premium Reduced Shank Silver and Deming Large Drill Bit Set M2 High Speed Steel, 135-Degree Split Point and so on.