ZINC Carbide Tipped Masonry Drill Bit (Slow Spiral)

  • SLOW SPIRAL masonry drill bit
  • Ideal for drilling into brick, concrete, tile, stone, and cinder blocks
  • Industrial Quality for professionals and contractors. Bulk packaging for distributors and resellers
  • Heat-treated, heavy duty steel alloy body and spiral flutes for extended bit life, fast drilling speeds, and quick chip removal
  • GOLD Tungsten Carbide Tip for heavy duty drilling and the best cutting performance
  • Precision grounded from solid one piece design for exact specifications to ensure accurate holes
  • Silver Zinc, nickel plated finish adds extra corrosion and wear resistance as compared to a black oxide finish

Part Number Cutting Diameter Overall Length FLUTE Length Shank Size
51-0001 1/8″ 3″ 1-1/2″ 3/16″ Straight
51-0003 3/16″ 4″ 2-1/2″ 3/16″ Straight
51-0005 3/16″ 6″ 4″ 3/16″ Straight
51-0004 1/4″ 4″ 2-1/2″ 1/4″ Straight
51-0015 1/4″ 6″ 4″ 1/4″ Straight
51-0006 5/16″ 4″ 2-1/2″ 1/4″ Straight
51-0020 5/16″ 6″ 4″ 1/4″ Straight
51-0048 3/8″ 4″ 2-1/2″ 1/4″ Straight
51-0008 3/8″ 6″ 4″ 3/8″ Straight
51-0009 7/16″ 6″ 4″ 3/8″ Straight
51-0011 1/2″ 6″ 4″ 3/8″ Straight
51-0012 9/16″ 6″ 4″ 3/8″ Straight
51-0014 5/8″ 6″ 4″ 3/8″ Straight
51-0030 3/4″ 6″ 4″ 1/2″ Straight
51-0032 7/8″ 6″ 4″ 1/2″ Straight
51-0035 1″ 6″ 4″ 1/2″ Straight
1/4″x4″ zinc, nickel plated carbide tipped masonry drill bit has a heat-treated steel body and spiral flutes with a tungsten carbide tip for superior cutting performance in brick, stone, cinder block and concrete. First, these masonry drill bits contain a straight, round shank to fit onto 3 jaw chucks. Second, these drill bits are available in either black oxide or nickel plated finishing. Most importantly, these drill bits are perfect for rotary and percussion drilling in masonry materials.
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