45x152mm F/L x 298mm OAL 4MT T/S Armour Piercing Drill 1220390 Bore diameter 1"

Bore diameter 1"

100 x M16 x 34 x 1

0 x 40 Metric Coarse Hex Set Screws 10 Pieces Zinc Plated Class 8

Metric 800 pc Spring Washer pack

45x152mm F/L x 298mm OAL 4MT T/S Armour Piercing Drill 1220390 Bore diameter 1"Used for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 4 Morse taper Overall length 298mm Flute Length 152mm 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