h stock standard, ) check stock EU, f check stock JP, m stock exhaustion EG(STI) M 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 STI M3X0.5 1b 3.15 3.18 PW3.0G1LEB 5P 52 7.5 17 29 5 4 7 3 001 f STI M4X0.7 1b 4.2 4.27 PW4.0I1LEB 5P 60 13 22 33 5.5 4.5 7 3 001 f SP STI M5X0.8 1b 5.2 5.29 PW5.0K1LEB 5P 62 15 26 33 6 4.5 7 3 001 f STI M6X1 1b 6.3 6.38 PW6.0M1LEB 5P 70 19 - 36 6.2 5 8 3 002 f STI M8X1.25 1b 8.4 8.47 PW8.0N1LEB 5P 75 23 - 38 7 5.5 8 3 002 f STI M10X1.5 1b 10.5 10.56 PW010O1LEB 5P 82 26 - 42 8.5 6.5 9 3 002 f SL STI M12X1.75 1b 12.6 12.66 PW012P1LEB 5P 95 26 - 48 12.5 10 13 3 002 f PO ST ROLL CARBIDE LONG HAND TAPS EG (STI) JIS SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 523