12x81mm F/L x 179mm OAL 2MT T/S Armour Piercing Drill 3573080 Overall length 310mm

Overall length 310mm

12-10 (iso - 0

quadruple calibrations with 0 - 300 psi

3/8 UNC Imperial 150 Piece Zinc Plated hex Bolt & Set Screw selection pack

12x81mm F/L x 179mm OAL 2MT T/S Armour Piercing Drill 3573080 Overall length 310mmUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 2 Morse taper Overall length 179mm Flute length 81mm 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