Product details : ROEBUCK 227193 HSS TIN COATED 1-13MM DRILL BOY SET 170 PIECES
Ground flute HSS tin coated Jobber drills. Ideal for maintenance and precision. Drills can be used at higher speeds than conventional HSS drills. Supplied in a polycarbonate storage case incorporating a drill gauge to size drills. Range 1 - 13mm in 0.5mm increments. Tapping drill sizes 3.3mm, 4.2mm, 6.8mm and 10.2mm. Contains 54 drills: 1 - 4mm 3 off each, 4.2 - 8mm 2 off each and 8.5 - 13mm one of each.