22x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 2531670 Square End - hand operation

Square End - hand operation in a variety of holders

Overall Body length (L) 145mm

koken 3/4"dr socket - 12 point - 63mm single item

6 Piece Set

22x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 2531670 Square End - hand operationUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 3 Morse taper Overall length 222mm Flute length 105mm 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