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The Tru-Cut ThunderTwist SDS-Max Hammer Drill Bit is engineered for high-performance masonry drilling. This professional-grade bit features a TriCarb grade carbide tip that guarantees longer life and faster penetration through increased chiseling action. Its unique ThunderTwist flute design, combined with a specialized copper brazing alloy, makes it one of the most reliable drill bits available on the market. Constructed from the highest quality American chrome-molybdenum nickel steel, these bits are built to withstand the most demanding job site conditions.