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DRILLFORCE (5 Pcs) 5/16 in. x 4-1/2 in. HSS Titanium Coated Drill Bits, Jobber Length, Straight Shank, Metal Drill for General Purpose - Amazon.com
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Precision Twist Drill - Extra Length Drill Bit: 5/16″ Dia, 118 ° Point, High Speed Steel - 78571619 - MSC Industrial Supply
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Irwin® Cobalt High Speed Steel Drill Bits, 5/16" X 4 1/2", Split, Carded, #IR-3016020 (5/Pkg) | AFT Fasteners
5/16" HSS Black & Gold KFD Split Point Jobber Length Drill Bit, Killer Force Drill Bit | KFD5/16 | DrillsandCutters.com
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Amazon.com: BOSCH CO2147 1-Piece 5/16 In. x 4-1/2 In. Cobalt Metal Drill Bit for Drilling Applications in Light-Gauge Metal, High-Carbon Steel, Aluminum and Ally Steel, Cast Iron, Stainless Steel, Titanium : Industrial
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Accupro - Jobber Length Drill Bit: 5/16″ Dia, 140 °, Solid Carbide - 63310304 - MSC Industrial Supply
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