25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 6851460 Flute Length: 170mm

Flute Length: 170mm

high sensitivity repeatability and accuracy

thin body for a faster screwing action

Vernier caliper

5 x 20 Metric Coarse 50 Pieces Zinc Plated Hex Bolts & Nuts

25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 6851460 Flute Length: 170mmUsed 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