Brazing formula optimizes drilling. Unique flute geometry provides efficient dust removal. Centering point provides accurate and precise round holes. For drilling into brick, block, and concrete.
Replacement power bit for DuraSpin technology integrated auto-feed screw system. For DuraSpin DS212-18V, DS215-18V, DS232-AC, DS235-AC. 2 bits per package.
Teardrop, single gear. 45 teeth, 8 deg (degree) space requirement for each turn. Chrome vanadium steel. Meets or exceeds ANSI (American National Standards Institute) specifications. Lifetime warranty.