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Terms
  • Product Image-Style 163 Carbide Tip, Bowling Ball Drill, (Silver & Deming Style)
  • Dimensional Drawing
Brazed carbide tip on high helix masonry flute is ideal for the economic drilling of carbon, hard plastics, concrete, plaster, wall board, stone, brick and asphalt.
  • Not recommended where precise hole sizing or close concentricity is required.
  • Right hand spiral, right hand cut.
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Item #

Cutting Ø "D" (Inch)

Cutting Ø "D" (mm)

Dec. Equiv. (Inch)

Overall Length "A" (Inch)

Overall Length "A" (mm)

Usable Flute at Full Regrind "F" (Inch)

Usable Flute at Full Regrind "F" (mm)

N/A 1/2 N/A 12.7 N/A 0.5000 N/A 6 1/4 N/A 159 N/A 3.8000 N/A 95
N/A 17/32 N/A 13.492 N/A 0.5312 N/A 6 1/4 N/A 159 N/A 3.8000 N/A 95
N/A 35/64 N/A 13.891 N/A 0.5469 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 95
N/A 9/16 N/A 14.288 N/A 0.5625 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 95
N/A 37/64 N/A 14.684 N/A 0.5781 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 95
N/A 19/32 N/A 15.083 N/A 0.5938 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 95
N/A 39/64 N/A 15.479 N/A 0.6094 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 5/8 N/A 15.875 N/A 0.6250 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 41/64 N/A 16.271 N/A 0.6406 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 21/32 N/A 16.667 N/A 0.6562 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 43/64 N/A 17.066 N/A 0.6719 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 11/16 N/A 17.463 N/A 0.6875 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 45/64 N/A 17.859 N/A 0.7031 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 23/32 N/A 18.258 N/A 0.7188 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 47/64 N/A 18.654 N/A 0.7344 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 3/4 N/A 19.05 N/A 0.7500 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 49/64 N/A 19.446 N/A 0.7656 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 25/32 N/A 19.842 N/A 0.7812 N/A 6 1/4 N/A 159 N/A 3.7000 N/A 93
N/A 51/64 N/A 20.241 N/A 0.7969 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 13/16 N/A 20.638 N/A 0.8125 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 53/64 N/A 21.034 N/A 0.8281 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 27/32 N/A 21.433 N/A 0.8438 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 55/64 N/A 21.829 N/A 0.8594 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 7/8 N/A 22.225 N/A 0.8750 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
N/A 57/64 N/A 22.621 N/A 0.8906 N/A 6 1/4 N/A 159 N/A 3.6000 N/A 91
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