Page Machine screwing dies SELECTION TABLE Name 800 800 SPN Ms INOX M 127 127 127 127 MF 128 / 129 / 130 128 / 129 / 130 128 / 129 / 130 128 / 129 / 130 UNC 131 UNF 132 G 133 133 133 133 R 134 BSW 135 BSF 136 NPT 137 Execution SPN - spiral point Lapped; special geometry Lapped; special geometry Material HSS HSS HSS HSSE Chamfer 1,75P 1,75P 1,25P 2,25P Coolant E/O/P E/O/P E/O/P E/O/P P1 4-8 4-8 4-8 P2 3-6 3-6 3-6 P3 3-6 3-6 3-6 P4 2-5 2-5 3-6 P5 2-5 2-5 3-6 P6 P P7 P8 P9 P10 1-3 1-3 1-5 P11 1-5 P12 P13 2-6 P14 2-6 M1 2-6 M M2 2-6 M3 K1 5-8 K2 5-8 K3KK4 5-82-5 K5 2-5 K6 N1 N2 N3 10-20 10-20 10-20 N4 10-20 10-20 10-20 N N5 5-15 N6 1-5 N7 7-12 7-12 10-15 10-15 N8 10-15 10-15 12-18 10-15 N9 20-30 15-25 N10 6-10 8-12 S1 S2 S3 S4 S S5 S6 S7 S8 H1 H2 H H3 H4 6