Countersink Drill Bit Set Precision Adjustable Screw Hole Drilling M2 High-Speed Steel 82-Degree Chamfer Hex Shank for Wood Plastic Plywood MDF PVC Home Workshop
Countersink Drill Bit Set Precision Adjustable Screw Hole Drilling M2 High-Speed Steel 82-Degree Chamfer Hex Shank for Wood Plastic Plywood MDF PVC Home Workshop
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Countersink Drill Bit Set Precision Adjustable Screw Hole Drilling M2 High-Speed Steel 82-Degree Chamfer Hex Shank for Wood Plastic Plywood MDF PVC Home Workshop

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Key item features

  • 【5-Piece Countersink Drill Bit Set – Precision Screw Hole Drilling for Wood & Plastic】This complete set includes #5, #6, #8, #10, and #12 countersink drill bits, engineered for clean, professional-grade screw holes in hardwood, softwood, MDF, plywood, PVC, and particleboard.
  • 【Adjustable Depth Control – Consistent Countersink Depth Every Time】Each bit features an adjustable drill length controlled by the included hex wrench, allowing you to fine-tune depth for flush or recessed screw heads—ideal for cabinetry, furniture assembly, and finish carpentry.
  • 【82-Degree Triple-Flute Countersink – Smooth, Clean Chamfer with No Tear-Out】The high-carbon steel countersink tip has three sharp cutting edges and an 82° chamfer angle to create perfectly angled pilot holes that prevent wood splitting and ensure screws sit flush.
  • 【1/4" Hex Shank with Anti-Slip Groove – Secure Fit in Power Drills & Impact Drivers】All bits feature a standardized 1/4" hex shank with a retention groove for quick, wobble-free installation in cordless drills, drivers, and tool-less chucks—enabling fast changes and reliable torque transfer.
  • 【Durable M2 HSS + High Carbon Steel Build – Long-Lasting Cutting Performance】Combining M2 high-speed steel drill cores with hardened high-carbon steel countersink tips, this set delivers exceptional hardness, heat resistance, and edge retention for repeated use across DIY and professional projects.
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