Bit adapters from Crowder Supply convert one thread system to another at the bit end of the string, machined in Denver, Colorado from 8620 or 4140 tooling steel and heat treated to meet or exceed manufacturer specifications for hardness and flexibility. Female thread options run HR25 through H55, H90 and GT60; male options cover D, H, rope and T threads, TTN52, H55 and 11 or 12 degree tapers part of our full range of drill steel adaptors.
A bit adapter is the fix when the thread on your rod is not the thread on your bit legacy taper steel running threaded carbide button bits, or a GT60 string finishing on a T51 face. Where two male ends meet instead, a threaded coupling makes the joint, and the drill steel adapters buyers guide sorts out which connector goes where. Crowder Supply machines the popular combinations in Denver.
- Female threads: HR25, R28, R32, R38, R51, T38, T45, T51, H55, H90 and GT60
- Male threads: D, H, R25, R28, R32, R38, R51, T38, T45, T51, TTN52 and H55, plus 11 and 12 degree tapers
- Machined from 8620 or 4140 tooling steel, heat treated to meet or exceed manufacturer specifications
- Converts taper steel to threaded bits or steps between thread systems at the bit end of the string
- Applications: mining, quarrying, tunneling, construction and geotechnical drilling
- Made in USA machined and stocked by Crowder Supply in Denver, Colorado
