
SDS+ Drill Bit - 5/16" x 12-5/8" (12 Pack)
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. Usable Length: 10" -- 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. Usable Length: 10"