GP General Purpose MS Material Specific Intro NPS NPSF EH-HT PMST ZELX MOLD SU-HT GG-HT GG-HT TiCN HSS-E OX HSS-E OX HSS-Co HSS-P OX HSS-Co HSS-E OX HSS-E NI HSS-E COATING SP SL PO ST ANSI ANSI DIN DIN ANSI JIS DIN DIN ROLL 281 331 285 287 M 281 331 285 287 MF 351 332 UNC/UNF UNS, 8, 12, 20, 32UN UNEF CARBIDE 281 285 287 G (BSP) Rp (BSPP) 283 Rc (BSPT) NPT NPTF LONG 348 349 NPSC, NPSM, NPSF 333 BSW EG(STI), M, MF, UNC/UNF Pg HAND TrS miniature TAPS Special threads Vc (m/min) I 5÷10 I 5÷10H5÷10H5÷10 I ≤5 P1P2 EG (STI) I ≤5 I ≤5 H ≤5 I ≤5 P3 I ≤5 I ≤5 H ≤5 I ≤5 P4 H ≤5 H ≤5 H ≤5H≤5H≤5H≤5H ≤5 P5P6P7P8 SPECIALTHREADS,GAUGES H ≤5 M1 M2 M3 THREAD H 5÷10 H 5÷20 K1 MILLS I ≤5 I ≤5 H 5÷10 H 5÷20 K2 I ≤5 I ≤5 H ≤5 H ≤10 K3 ª5 ≤5 ª10 ≤10 K4 N1I5÷15I10÷20N2 DIES N3 H 5÷15 H 10÷20 N4 N5 S1 (<25 HRC) CENTER S2 (<35 HRC) DRILLS S3 (35 ÷ 45 HRC) S5 H (45 ÷ 55 HRC) H (55 ÷ 63 HRC) Technical info 267