ThunderTwist SDS+ Drill Bits

TriCarb* grade tip guarantees longer life with faster penetration due to increased chiseling action.

ThunderTwist® flute design, combined with a copper brazing alloy creates the most reliable drill bit on the market.

Made with the highest quality American chrome-molybdenum-nickel steel available.

Vacuum heat treated, and shot-peened for superior strength under the roughest conditions.