35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill WREC-A56W torsion extension bars are for

torsion extension bars are for tightening only

25 x 100 Metric Coarse Hex Set Screws 10 Pieces Zinc Plated Class 8

1/4 15 pcs QUALITY ASSURED all BOLTS and SET SCREWS have Head stamps with grade and manufacturers marking DELIVERED FREIGHT FREE NEW ZEALAND WIDE

200 x 130mm

threaded surfaces and wire rope

35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill WREC-A56W torsion extension bars are forUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 4 Morse taper Overall length 292mm Flute Length 136mm 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