GP General Purpose Intro SP TRI HT TRI RLS-HT HT TV HT CTV HT BC HT CTC HT CTG HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E SP SL PO ST JIS JIS JIS JIS JIS JIS JIS JIS ROLL M MF UNC/UNF UNS, 8, 12, 20, 32UN UNEF CARBIDE G (BSP) Rp (BSPP) Rc (BSPT) NPT NPTF LONG NPSC, NPSM, NPSF BSW EG(STI), M, MF, UNC/UNF Pg HAND TrS miniature TAPS 556 557 558 559 561 563 564 565 Special threads Vc (m/min) H ≤10 H ≤10 H ≤10 P1H≤10H≤10H≤10P2EG (STI) P3 P4 P5P6P7P8 SPECIALTHREADS,GAUGES M1 M2 M3 THREAD K1 MILLS K2 K3 K4 H ≤10 H ≤10H≤10H≤10 N1N2 DIES H ≤10 H ≤10 N3 H ≤10 H ≤10 H ≤1 H ≤10 H ≤10 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 543