MS Material Specific Intro EH-PO PO-VA SU+PO/SU-PO ZELX SS PO PO-VA TiCN ZELX AL PO ZEN-P ZELX NI PO HSS-Co HSS-E OX HSS-E OX HSS-E OX HSS-E COATING HSS-E NI HSS-P NX HSS-P NX SP SL PO ST DIN DIN JIS ANSI DIN ANSI DIN ANSI ROLL 231 233 248 235 236 M 231 233 250 237 MF 233 250 257 261 237 263 UNC/UNF UNS, 8, 12, 20, 32UN UNEF CARBIDE 234 G (BSP) Rp (BSPP) Rc (BSPT) NPT NPTF LONG NPSC, NPSM, NPSF 251 BSW EG(STI), M, MF, UNC/UNF Pg Tr HAND S miniature TAPS Special threads Vc (m/min) H ≤10 H ≤10 H ≤10 H ≤15 P1 H ≤10 H ≤10 H ≤10 H ≤15 P2 EG (STI) H ≤10 H ≤10 H ≤10 H ≤10 H 5÷15 H 5÷15 P3 I ≤10 I ≤10 I ≤10 I ≤10 H 5÷15 H 5÷15 P4 H ≤5 I 5÷10 I 5÷10 P5 H ≤5 P6 SPECIAL H ≤10 H ≤10 H ≤10 H ≤10 H 5÷15 H 5÷15 P7 THREADS, H 4÷8 H 4÷8 P8 GAUGES H ≤10 H ≤10 H ≤10 H ≤10 H 5÷15 H 5÷15 M1 I ≤10 H ≤10 H ≤10 I ≤10 H 5÷15 H 5÷15 M2 H 4÷8 H 4÷8 M3 THREAD K1 MILLS K2 K3 K4 H 5÷15 N1 H 5÷15 N2 DIES H 5÷15 N3 N4 N5 H 5÷10 H 5÷10 S1 (<25 HRC) CENTER H H S2 (<35 HRC) 5÷10 5÷10 DRILLS I 3÷6 I 3÷6 S3 (35 ÷ 45 HRC) S5 H (45 ÷ 55 HRC) H (55 ÷ 63 HRC) Technical info 213