1" Bison Brand Annular Cutter Drill Bits

Product Details: This tool has a dual alternating tooth geometry with the traditional “V” and flat tooth design. With a thin wall construction, these annular cutters cut up to 15% faster than the competition. The proprietary M-2 high speed steel reduces breakage and extends the life of the bit. The annular cutters have a 3/4″ Weldon Shank with two flat sides 90 degrees apart.