Material: High Speed Steel HSS (4241). 6x Drill Bit. -Used in hardness 25 ° below the workpiece, such as carbon steel, sheet iron, insulation board.
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7Pcs Wood 5 Flute HSS Countersink Drill Bit Set 3 4 5 6 7 8 10mm Carpentry Tool. Enlarge or countersink holes, deburr edges; 15-degree chamfer. Drill and countersink for wood screws without changing bits.
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6x Drill Bit. Shank type: round.
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1/4″ hex shank countersinks are fine for a quick drill. They don't slip in drill chucks. You can make deep countersinks easily by setting the countersink's depth stop to allow the countersink to drill more deeply into the worksurface.
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5pc Titanium Coated Countersink Bit Set. Titanium nitride coated bits last longer than regular steel countersink bits. Effective 5 flute 115° countersink design.
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4Pc HSS SCREW COUNTERSINK BIT SET. Drills pilot hole, clearance hole and countersink in one operation. Includes replaceable HSS drill. Hexagon Hex Head. Coarse Pitch Bolts & Screws. Button Head Screw.
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Specially designed steel counterbore or counterbore guide hole. 5 x Countersink Drills. -Just loosen and tighten the fixing screws, you can adjust the drilling length of screws of various lengths. -Drills and countersunk heads are used for wood screws, no need to replace the drill bit.
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1/4"(6.35mm) HEX Shank Countersink Drill Bit Set 1PC/5PCS Woodworking Cutter. Countersink Drill Bit Set 1PC/5PCS Adjustable 8mm Round Shank Woodworking Cutter. Type: Countersink Drill Bit. HEX Shank Auger Drill Bit for Wood with Quick Change 1/4 8mm-35mm Cutting Dia.
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