Selection Chart Intro Z-PRO GP General Purpose MP Multi Purpose HP+RZ/HP-RZ MHRZ R-D R-D V R+V N+RZ/N-RZ N+RS/N-RS HP+RZ/HP-RZ ISO3X(6GX) HSS-Co COATING HSS-E HSS-E COATING HSS-E COATING HSS-E OX HSS-E NI HSS-P COATING HSS-P COATING SP SL PO ST ROLL DIN DIN DIN JIS DIN JIS DIN JIS DIN JIS ANSI DIN M 357 359 361 369 362 373 363 378 365 385 365 MF 357 375 381 365 386 UNC/UNF 376 382 386 395 UNS, 8, 12, 20, 32UN CARBIDE UNEF G (BSP) 359 361 Rp (BSPP) Rc (BSPT) NPT LONG NPTF NPSC, NPSM, NPSF BSW EG(STI), M, MF, UNC/UNF Pg HAND Tr TAPS S miniature Special threads Vc (m/min) P1 H 5÷15 H 10÷20 H 10÷20 H 5÷15 H 15÷30 H 15÷30 EG (STI) P2 H 10÷30 I 5÷15 H 10÷20 H 10÷20 H 5÷10 H 15÷30 H 15÷30 P3 H 10÷30 H 15÷25 H 15÷25 P4 H 10÷30 H 15÷25 H 15÷25 P5 SPECIAL P6 THREADS, P7 I 8÷12 I 5÷12 H 10÷25 H 10÷25 GAUGES P8 M1 I 8÷12 I 5÷12 H 10÷25 H 10÷25 M2 H 10÷25 H 10÷25 THREAD M3 MILLS K1 K2 K3 K4 N1 I 10÷30 I 10÷15 I 10÷20 I 10÷20 H 5÷15 I 10÷45 I 10÷45 DIES N2 I 10÷30 I 10÷15 I 10÷20 I 10÷20 H 5÷15 I 10÷45 I 10÷45 N3 I 10÷20 I 10÷20 H 5÷15 N4 N5 CENTER S1 (<25 HRC) S2 (<35 HRC) DRILLS S3 (35 ÷ 45 HRC) S5 H (45 ÷ 55 HRC) Technical H (55 ÷ 63 HRC) info H 1st choice I suitable 354