Tru-Cut SDS37520 Thunder Twist SDS-Plus Drill Bit - 3/8 in. x 20 5/8 in.

Features:

• TriCarb grade tip guarantees longer life with faster penetration due to increased chiselling 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.