... Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter, T-slot Cutter, Dovetail Cutter, ... Tip, Ejector Pin, Punch, Mold Etc.1.machine reamer usage: Milling fitting holes with a certaindegree of accuracy in ... .hardnessGood for machining up to HRC65 degree carbide step reamer drilling and milling reamer and tapered hand reamer with spiral / straight flute