h stock standard, ) check stock EU, f check stock JP, m stock exhaustion UNC-UNF TCTR (tolerance) Code LF (mm) THL(mm) LU(mm) LS DCON K(mm)(mm)(mm)LK(mm) Type Stock Intro YMW 2B ITM2UN8JG 60 9 22 31 5.5 4.5 7 01 f No.8-32UNC 2B ITM2UN8JN 60 5 22 31 5.5 4.5 7 02 f SP 2B ITM2UN8IG 60 9 22 31 5.5 4.5 7 01 f No.8-36UNF 2B ITM2UN8IN 60 5 22 31 5.5 4.5 7 02 f 2B ITM2UNAMG 60 9.5 22 32 5.5 4.5 7 01 f No.10-24UNC 2B ITM2UNAMN 60 5 22 32 5.5 4.5 7 02 f SL 2B ITM2UNAJG 60 9.5 22 32 5.5 4.5 7 01 f No.10-32UNF 2B ITM2UNAJN 60 5 22 32 5.5 4.5 7 02 f 2B ITM2UNCMG 62 9.5 26 32 6 4.5 7 01 fNo.12-24UNC PO 2B ITM2UNCMN 62 5 26 32 6 4.5 7 02 f 2B ITM2UNCKG 62 9.5 26 32 6 4.5 7 01 f No.12-28UNF 2B ITM2UNCKN 62 5 26 32 6 4.5 7 02 f 2B ITM2U04NG 62 15 26 32 6 4.5 7 01 f ST 1/4-20UNC 2B ITM2U04NN 62 10 26 32 6 4.5 7 02 f 2B ITM2U04KG 62 12 26 32 6 4.5 7 01 f 1/4-28UNF 2B ITM2U04KN 62 7 26 32 6 4.5 7 02 f 2B ITM2U05OG 70 15 34 36 6.2 5 8 03 f ROLL 5/16-18UNC 2B ITM2U05ON 70 10 34 36 6.2 5 8 04 f 2B ITM2U05MG 70 15 34 36 6.2 5 8 03 f 5/16-24UNF 2B ITM2U05MN 70 7 34 36 6.2 5 8 04 f CARBIDE 2B ITM2U06PG 75 17 37 38 7 5.5 8 03 f 3/8-16UNC 2B ITM2U06PN 75 10 37 38 7 5.5 8 04 f 2B ITM2U06MG 75 17 37 38 7 5.5 8 03 f 3/8-24UNF 2B ITM2U06MN 75 10 37 38 7 5.5 8 04 f LONG 2B ITM2U07QG 82 17 40 42 8.5 6.5 9 03 f 7/16-14UNC 2B ITM2U07QN 82 10 40 42 8.5 6.5 9 04 f 2B ITM2U07NG 82 17 40 42 8.5 6.5 9 03 f HAND 7/16-20UNF 2B ITM2U07NN 82 10 40 42 8.5 6.5 9 04 f TAPS 2B ITM2U08RG 88 17 43 45 10.5 8 11 03 f 1/2-13UNC 2B ITM2U08RN 88 13 43 45 10.5 8 11 04 f 2B ITM2U08NG 88 17 43 45 10.5 8 11 03 f EG (STI) 1/2-20UNF 2B ITM2U08NN 88 10 43 45 10.5 8 11 04 f 2B ITM2U09SG 95 26 47 48 12.5 10 13 03 f 9/16-12UNC 2B ITM2U09SN 95 17 47 48 12.5 10 13 04 f SPECIAL 9/16-18UNF 2B ITM2U09OG 95 20 47 48 12.5 10 13 03 f THREADS,GAUGES2BITM2U09ON9513474812.5101304fYMW 2B ITM2U10UG 95 26 47 48 12.5 10 13 03 f 5/8-11UNC 2B ITM2U10UN 95 17 47 48 12.5 10 13 04 f THREAD 2B ITM2U10OG 95 20 47 48 12.5 10 13 03 f MILLS 5/8-18UNF 2B ITM2U10ON 95 13 47 48 12.5 10 13 04 f DIES CENTER DRILLS Technical info 553