24x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 6221290 tackle box and boat

tackle box and boat

Flute Length: 125mm

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

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

3/8 (35mm)

24x105mm F/L x 222mm OAL 3MT T/S Armour Piercing Drill 6221290 tackle box and boatUsed 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