Mapal 30392529 MEGA-Drill-Reamer 6.35mm 140° SCD201-0635-2-4,Drill America PIL.156X.125 Piloted Reamer, 0.156 x 0.125,High-performance reamers with cylindrical shank | MAPAL,Contract Manufacturer Karl Völlm Relies on External Reamers,Contract Manufacturer Karl Völlm Relies on External Reamers切削工具 穴あけ工具