... Acceptable Electric Sparking Forming Machine D71-35 4 8.0 Acceptable Sawing Machine G2430 2 6.0 ... Cutting 5.Blanking 6.Heating 7.Punching 1 8.Forming 9.Punching 2 10.Polishing 11.Screening 12. ... & 1/4'', 5/16'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/18'', 1-1 ... 1-3/4'', 2'', 2-1/2'', 3'', M 6, 8, 10, 12, 14, 16, 18, 20, 22, 24 ... , 27, 30, 33, 36, 39, 42, 45, 48, 52, 56, 64, 72, 80, 90 ...