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Use one hand to hold the drill bit in place. tighten the jaws of the drills chuck by turning the metal chuck key with your other hand in a clockwise manner. tighten the chuck jaws as firmly as possible. remove the chuck key, and take your hand off the bit. test the drill to see if it is drilling properly.

Nov 06, 2020 · see all construction equipment for sale near you by east west drilling, inc. 157 buffalo creek road, mifflinburg, pennsylvania 17844. (570) 500-1136

Our high-performance percussive drilling tools include threaded and tapered drill bits, dth hammers and bits, extension and tunnelling rods, integral and tapered rods, shank adapters and other drill tool accessories. down-the-hole (dth)

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