Twister Dry Core Drilling Bits

Twister Dry Core Bits
We are proud to offer the most versatile dust free coring system on the market today.The turbo segments allow up to 30% faster cutting. Due to the high quality bond and diamonds used to make our dry segment core bits, they can withstand RPM ranges from 900 to 5,500. Adapters and extensions are also available.
Item Number Diameter Cut Depth
TR 100 1" 9"
TR 150 1 1/2" 9"
TR 200 42" 9"
TR 250 2.5" 9"
TR 300 3" 9"
TR 350 3 1/2" 9"
TR 400 4" 9"
TR 450 4 1/2" 9"
TR 500 5" 9"
TR 600 6" 9"