35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill 3033140 Thread 1" UNC

Thread 1" UNC

Overall length 140mm

Extra Length Drill 0

1/4 10pcs QUALITY ASSURED all BOLTS and SET SCREWS have Head stamps with grade and manufacturers marking DELIVERED FREIGHT FREE NEW ZEALAND WIDE

Designed with safety guard and depth stop

35x136mm F/L x 292mm OAL 4MT T/S Armour Piercing Drill 3033140 Thread 1" UNCUsed 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