25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 3585368 Overall length 66mm

Overall length 66mm

•Unique 3 Flute design provides more controlled and manageable chip formation

Goliath 5/16" UNC Hss L/H Bottoming Tap For producing precision Left Hand threads by hand tapping

1/4 5 pcs QUALITY ASSURED all BOLTS and SET SCREWS have Head stamps with grade and manufacturers marking DELIVERED FREIGHT FREE NEW ZEALAND WIDE

25x108mm F/L x 225mm OAL 3MT T/S Armour Piercing Drill 3585368 Overall length 66mmUsed 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