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Amana Tool Carbide-Tipped 82° Countersink Drill Bit with Tapered Pilot Bit, No-Mar Ball-Bearing Depth Stop and 1/4'' Hex Shank - Rockler
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55134 Carbide Tipped 82 Degree Shankless Countersink with Slow Spiral Drill, #24 Screw 3/4 Dia x 3/8 Drill Dia x 3/8 Drill Shank
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SGS - Countersink: 1/4″ Head Dia, 90 ° Included Angle, 1 Flute, Carbide, Right Hand Cut - 96752126 - MSC Industrial Supply
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5Pcs Shank Carbide Countersink Drill Bit Set 8/10mm Woodworking Router Bit Wood Drilling Milling Cutter Screw 2.8/3/3.2/3.5/4mm - AliExpress
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