30x124mm F/L x 270mm OAL 4MT T/S Armour Piercing Drill Brand_PRECISION graphite and molybdenum

graphite and molybdenum

Small end diameter 6

Note that the 'SB' Shape has an endcutting face

Overall length 48mm

worldwide - spud ratchet wrench - 21 x 24mm w/bent

30x124mm F/L x 270mm OAL 4MT T/S Armour Piercing Drill Brand_PRECISION graphite and molybdenumUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 4 Morse taper Overall length 270mm Flute length 124mm 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