h stock standard, ) check stock EU, f check stock JP, m stock exhaustion UNC-UNF TCTR (tolerance) Code LF (mm) L1(mm) L2(mm) L3(mm) LU(mm) LS DCON K(mm)(mm)(mm)LK(mm)TypeStock Intro YMW 1/2-13UNC 2B ITDM2U08R 88 11.4 9.8 5.9 43 45 10.5 8 11 02 f 1/2-20UNF 2B ITDM2U08N 88 16.9 6.4 3.8 43 45 10.5 8 11 02 f SP 9/16-12UNC 2B ITDM2U09S 95 10.5 10.6 6.4 47 48 12.5 10 13 02 f 9/16-18UNF 2B ITDM2U09O 95 16.2 7.1 4.2 47 48 12.5 10 13 02 f 5/8-11UNC 2B ITDM2U10U 100 16.4 11.5 6.9 49 51 14 11 14 02 f 5/8-18UNF 2B ITDM2U10O 100 23.5 7.1 4.2 49 51 14 11 14 02 f SL PO ST ROLL CARBIDE LONG HAND TAPS EG (STI) SPECIAL THREADS, GAUGES YMW THREAD MILLS DIES CENTER DRILLS Technical info 557