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The Tru-Cut Manufacturing SDSQ series represents the latest technology in masonry drilling, specifically engineered for high-performance applications in concrete, rebar, and stone. While the exact model SDSQ2506 is listed as a 1/4 inch x 6-5/8 inch bit in some catalogs, the 1/4 inch x 4 inch x 6 inch variant provides a 4-inch usable drilling depth with a 6-inch overall length. These bits feature a solid carbide quad-cutter head design that ensures more accurate holes and prevents the bit from getting stuck when encountering rebar. The four-flute spiral design aids in consistent drilling speed and efficient debris removal, extending the tool's service life. Manufactured in the USA from high-quality American chrome-molybdenum-nickel steel, these bits are vacuum heat-treated and shot-peened for superior strength under the roughest jobsite conditions.
