... end mill,gear hob,machine tap,hobbing cutter,drill,band saw blade,hss tool bit,bearing,reamer.OEM&ODM ... , thread tap, ball nose, twist drill, HSS tool bits, PCD diamond insert, gear hob,....Carbide Fixed-point Drill ... Bits 1, Suitable for Mould steel, Cast iron, Aluminum alloy ... 100L10102010012D×12×20×100L121220100 Carbide Fixed-point Drill Bits