Details
Drill to any depth with Threaded Bits and Threaded Barrels from Core Bore. Need additional length? Simply add more sections of threaded barrels. Threaded bits and barrels are available in diameters from 1" to 10". Standard threaded bit core length is 12". Barrels should be ordered in 12" increments. Any length available upon request. Segment thickness is .187".
HOL - General purpose drilling