17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill fasteners-bolts-nuts-washers including salt water ensuring components

including salt water ensuring components are protected even in submerged conditions

17-27mm impact hex bits

Diameter: 16

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

17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill fasteners-bolts-nuts-washers including salt water ensuring componentsUsed 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