25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 6851460 Set expands on the range

Set expands on the range of the GS-21 drill sharpening machine

Vernier caliper

high sensitivity repeatability and accuracy

Trak-Star cutting technology to be used in multiple systems

the fast and easy way to hold metal workpieces at 45 degrees & 90 degreesturn the magnet off when setting up

25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 6851460 Set expands on the rangeUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 3 Morse taper Overall length 225mm Flute length 108mm 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