Min. Order Reference FOB Price
5 Pieces US$1.80-60.00 / Piece
Product Description
High Speed Solid Carbide Twist Drill Bit 1. Raw Material HRC45 HRC55 HRC60 HRC65 YG10X YG10.2 &WF25(Taiwan) K44 &K40 Sandvik H10F Grain Size:0.7um Co:10 % Flexural strength:3320N/mm2 Grain Size:0.6um Co:10 % Flexural strength:4000N/mm2 Grain Size:0.5um Co:12 % Flexural ...