17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill fasteners-bolts-nuts-washers drop forged from carbon steel

drop forged from carbon steel with polished ends 1ea - 6

Digital Bore Gauge for Small Holes

Flute length 135mm

17-27mm impact hex bits

Overall length 150mm

17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill fasteners-bolts-nuts-washers drop forged from carbon steelUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 2 Morse taper Overall length 190mm Flute length 92mm Operating Conditions cutting speed between 3 4 meters per minute a feed of only 60 percent of standard drill Very rigid machine set up drilled without coolant Precautions drill must not touch work without feed being engaged no marking of work surface ie centre punch