35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill WREC-A56W stronger spring is adapted to

stronger spring is adapted to convert the striking power efficiently to twisting power

threaded surfaces and wire rope

200 x 130mm

25 x 45 Metric Coarse x 10 Pieces Hex Flange Bolts & Nuts Zinc Plated

35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill WREC-A56W stronger spring is adapted toUsed 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