... carbide end mill, bi-metal backsaw blade, high speed cutter, spline hobbing cutter, bevel gear shaper cutter ... tool bits, PCD diamond insert, gear hob,....Carbide Fixed-point Drill Bits 1, Suitable for Mould steel, Cast ... and Alloy steel processing. 2, Mainly for fixing point and chamfering before drilling the hole for the workpieces ... ×100L10102010012D×12×20×100L121220100 Carbide Fixed-point Drill Bits