24x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 6221290 Clamp & Screw to suit

Clamp & Screw to suit Threading Tools 22ER/NR Inserts

Application specific carbide to handle heat during dry machining and increase rigidity

High precision plain base vises from quality ductile iron with flame hardened ground beds for both durability and long life

Flute Length: 125mm

24x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 6221290 Clamp & Screw to suitUsed 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