WT Solid carbide step drills for taps VHM AT DIN 6537 P M PK M K Material groups N S NH S H EInxtercnuatilocnooling 90° Quality of material VHM Coating AT Norm ~DIN-6537 NakróĆj / Cdh1amfer M l1 l2 l3 Ćd 2 Ćd2h6 Tol. m7 INDEX W9-704010 6 2,50 M3 66 20 8,8 6 6 02503,30M4662411,4660330 4,20 M5 66 28 13,6 6 6 0420 5,00 M6 79 34 16,5 8 8 0500 6,80 M8 89 47 21,0 10 10 0680 8,50 M10 102 55 25,5 12 12 0850 10,20 M12 107 60 30,0 14 14 1020 12,00 M14 115 65 34,5 16 16 1200 14,00 M16 123 73 38,5 18 18 1400 7 Example of order 160 W9-704010-0330 WT 1300 3,30 DIN-6537 VHM AT