25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill BRA2250 drop forged from carbon steel

drop forged from carbon steel with polished ends 1ea - 6

Overall length 63mm

Especially suitable for CNC machining centre & milling machine use

koken 1/2"dr impact lock nut buster socket - 21mm x 245mm single item

Clamp & Screw to suit Threading Tools 16ER/NR Inserts

25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill BRA2250 drop forged from carbon steelUsed 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