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Precision Twist Drill 034420 | 5/16" Diameter 4-1/2" OAL 118 Degree High Speed Steel Bright Finish Jobber Length Drill Bit - All Industrial Tool Supply
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Drill America - DWDCO35/64 35/64" Reduced Shank Cobalt Drill Bit with 1/2" Shank, DWDCO Series 3-Flat: Amazon.com: Tools & Home Improvement
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Bosch 1/2-in x 12-in High-speed Steel Masonry Drill Bit for Hammer Drill in the Masonry Drill Bits department at Lowes.com
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Precision Twist Drill - Reduced Shank Drill Bit: 1-1/2'' Dia, 1/2'' Shank Dia, 118 °, High Speed Steel - 78580826 - MSC Industrial Supply
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914577-5 Step Drill Bit, High Speed Steel, 3 Hole Sizes, 3/8" Step Thickness, 1/2" - 1-1/8" | Imperial Supplies
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Bosch 1-1/2-in x 21-in Masonry Drill Bit for Sds-max Drill in the Masonry Drill Bits department at Lowes.com
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Hertel - Drill Bit Set: Reduced Shank Drill Bits, 1″ Drill Bit Size, 118 °, High Speed Steel - 07575053 - MSC Industrial Supply
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