20x95mm F/L x 213mm OAL 3MT T/S Armour Piercing Drill Abrasive-wire-brushes-wheels Flute length 1-1/2"

Flute length 1-1/2"

heat-treated durable steel with black oxide finish to resist corrosionspecially designed for 1 on 2 step models

Polished burnish finish

300mm/12" Blade for Combination Set

20x95mm F/L x 213mm OAL 3MT T/S Armour Piercing Drill Abrasive-wire-brushes-wheels Flute length 1-1/2"Used for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 3 Morse taper Overall length 213mm Flute length 95mm 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