
Selection Chart Intro GP General Purpose LS-HT LS-PF LS-PS LS-PT LS-NPT LS-NPTF LS-HT LH LS-HT V HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E COATING SP SL PO ST ROLL JIS JIS JIS JIS JIS JIS JIS JIS M 473 491 495 MF 477 492 495 UNC/UNF 481 UNS, 8, 12, 20, 32UN CARBIDE UNEF G (BSP) 484 Rp (BSPP) 485 Rc (BSPT) 487 NPT 488 LONG NPTF 489 NPSC, NPSM, NPSF BSW 483 EG(STI), M, MF, UNC/UNF HAND Pg TAPS TrS miniature Special threads Vc (m/min) EG (STI) P1 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10P2H5÷10H5÷10H5÷10H≤5H≤5H≤5H5÷10H10÷20 P3 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 H 10÷20 P4 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 8÷15 SPECIALTHREADS,GAUGES P5P6P7P8 M1 M2 THREAD M3 MILLS K1 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 8÷15 K2 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 8÷15 K3 I 5÷10 I 5÷10 I ≤5 I ≤5 I 5÷10 I 8÷15 K4 DIES N1N2 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 10÷20 N3 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 10÷20 N4 I 5÷10 I 5÷10 I 5÷10 I ≤5 I ≤5 I ≤5 I 5÷10 I 10÷20 N5 CENTER S1 (<25 HRC) DRILLS S2 (<35 HRC) S3 (35 ÷ 45 HRC) S5 H (45 ÷ 55 HRC) Technical H (55 ÷ 63 HRC) info H 1st choice I suitable 436