Selection Chart Intro GP General Purpose MP Multi Purpose SP-BLF OX SP OX SP-BLF V SP V LO-SP LO-SP OX AU+SP AUXSP HSS-E OX HSS-E OX HSS-E COATING HSS-E COATING HSS-E HSS-E OX HSS-E COATING HSS-E COATING SP SL PO ST ROLL DIN DIN DIN DIN DIN DIN DIN DIN M 111 117 121 122 125 127 MF 113 119 121 123 125 UNC/UNF UNS, 8, 12, 20, 32UN CARBIDE UNEF G (BSP) 114 119 121 123 Rp (BSPP) Rc (BSPT) NPT LONG NPTF NPSC, NPSM, NPSF BSW EG(STI) M, MF, UNC/UNF HAND Pg TAPS TrS miniature Special threads Vc (m/min) EG (STI) P1 H 5÷10 H 5÷10 H 10÷20 H 10÷20 H 10÷20 H 10÷25P2H5÷10H5÷10H10÷20H10÷20H5÷10H5÷10H10÷20H10÷25 P3 I 5÷10 I 5÷10 H 10÷20 H 10÷20 H 5÷10 H 5÷10 H 10÷20 H 10÷25 P4 I 5÷8 I 5÷8 H 10÷15 H 10÷15 I 5÷10 H 5÷10 H 10÷20 H 10÷25 SPECIALTHREADS,GAUGES P5P6P7P8 I 4÷7 I 4÷7I4÷8I4÷8I 6÷12 I 6÷12 H 5÷12 H 5÷15 M1 I 4÷8 I 4÷8 I 6÷12 I 6÷12 H 5÷12 H 5÷15 M2 H 5÷10 H 5÷10 THREAD M3 MILLS K1 I 5÷10 K2 I 5÷10 I 5÷15 I 10÷25 K3 I 5÷10 K4 DIES N1N2 I 10÷20 I 10÷20 I 5÷10 H 20÷30 H 20÷30I10÷20I10÷20I5÷10H20÷30H20÷30 N3 I 10÷20 I 10÷20 I 5÷10 I 10÷20 I 15÷25 N4 I 10÷20 I 10÷20 I 5÷10 I 10÷20 I 15÷25 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 76