... : four flute carbide end mill, bi-metal backsaw blade, high speed cutter, spline hobbing cutter, bevel gear shaper cutter, HSS drill ... drill, HSS tool bits, PCD diamond insert, gear hob,....Carbide Fixed-point Drill Bits 1, Suitable for Mould steel, Cast iron ... ×8×16×100L881610010D×10×20×100L10102010012D×12×20×100L121220100 Carbide Fixed-point Drill Bits