h stock standard, ) check stock EU, f check stock JP, m stock exhaustion EG(STI) UNC TCTR Ø Hole Ø(tolerance)(mm)(mm)CodeTHCHT(chamfer)LF(mm)THL(mm) LU(mm) LS DCON K(mm)(mm)(mm)LK(mm)NOFTypeStock Intro JIS 1b 19.8 19.82 TWU12V1LEB5 5P 115 33 - 55 17 13 16 4 002 f STI 3/4-10UNC 1b 19.8 19.82 TWU12V1LEBA 1.5P 115 33 - 55 17 13 16 4 002 f SP EG(STI) UNF TCTR Ø Hole Ø(tolerance)(mm)(mm)CodeTHCHT(chamfer)LF(mm)THL(mm) LU(mm) LS DCON K(mm)(mm)(mm)LK(mm)NOFTypeStock JIS 1b 3 3.08 TWUN4F1LEB5 5P 52 11 17 29 5 4 7 3 001 f SL STI No.4-48UNF 1b 3 3.08 TWUN4F1LEBA 1.5P 52 11 17 29 5 4 7 3 001 f 1b 3.7 3.77 TWUN6H1LEB5 5P 60 13 22 33 5.5 4.5 7 3 001 f STI No.6-40UNF 1b 3.7 3.77 TWUN6H1LEBA 1.5P 60 13 22 33 5.5 4.5 7 3 001 f PO 1b 4.4 4.45 TWUN8I1LEB5 5P 62 9.5 26 33 6 4.5 7 4 001 f STI No.8-36UNF 1b 4.4 4.45 TWUN8I1LEBA 1.5P 62 9.5 26 33 6 4.5 7 4 001 f 1b 5.1 5.14 TWUNAJ1LEB5 5P 62 15 26 33 6 4.5 7 4 001 f STI No.10-32UNF 1b 5.1 5.14 TWUNAJ1LEBA 1.5P 62 15 26 33 6 4.5 7 4 001 ) ST 1b 6.6 6.68 TWU04K1LEB5 5P 70 19 - 36 6.2 5 8 4 002 f STI 1/4-28UNF 1b 6.6 6.68 TWU04K1LEBA 1.5P 70 19 - 36 6.2 5 8 4 002 ) 1b 8.3 8.31 TWU05M1LEB5 5P 75 23 - 38 7 5.5 8 4 002 f STI 5/16-24UNF 1b 8.3 8.31 TWU05M1LEBA 1.5P 75 23 - 38 7 5.5 8 4 002 ) ROLL 1b 9.8 9.89 TWU06M1LEB5 5P 82 26 - 42 8.5 6.5 9 4 002 f STI 3/8-24UNF 1b 9.8 9.89 TWU06M1LEBA 1.5P 82 26 - 42 8.5 6.5 9 4 002 ) STI 7/16-20UNF 1b 11.5 11.53 TWU07N1LEB5 5P 88 26 - 45 10.5 8 11 4 002 f CARBIDE 1b 11.5 11.53 TWU07N1LEBA 1.5P 88 26 - 45 10.5 8 11 4 002 f 1b 13.1 13.12 TWU08N1LEB5 5P 95 26 - 48 12.5 10 13 4 002 f STI 1/2-20UNF 1b 13.1 13.12 TWU08N1LEBA 1.5P 95 26 - 48 12.5 10 13 4 002 ) 1b 16.3 16.33 TWU10O1LEB5 5P 100 33 - 51 14 11 14 4 002 f LONG STI 5/8-18UNF 1b 16.3 16.33 TWU10O1LEBA 1.5P 100 33 - 51 14 11 14 4 002 ) 1b 19.5 19.55 TWU12P1LEB5 5P 115 33 - 55 17 13 16 4 002 f STI 3/4-16UNF 1b 19.5 19.55 TWU12P1LEBA 1.5P 115 33 - 55 17 13 16 4 002 ) HAND TAPS EG (STI) JIS SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 527