17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill Wshr HD 9/16Z The end also rotates to

The end also rotates to optimize the turning motion

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koken 1/4" dr std & deep socket set - 21pc 5

This chuck is screwed on the JLBM53PA handle (a setscrew ensures the locking of the chuck on the handle) or laid down flat with the cutting edge of the hollow punch inclined upward for a cutting with a mallet

use the locking rings and pins

17x92mm F/L x 190mm OAL 2MT T/S Armour Piercing Drill Wshr HD 9/16Z The end also rotates toUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 2 Morse taper Overall length 190mm Flute length 92mm 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