Four Piece Pro Grade Countersink Drill Bit Set With Depth Stop For Woodworking, HSS M2 Tapered Bits With Wrench, One Quarter Inch Hex Shank, Four Flute Countersinks For Pilot Holes

Four-Piece HSS Countersink Set with Depth Stop
✔️ M2 HSS countersinks: 2.8×8 mm (0.11×0.31 in), 3.2×8 mm (0.13×0.31 in), 3.5×10 mm (0.14×0.39 in), 4.0×10 mm (0.16×0.39 in); 1/4 inch hex shank

These four M2 HSS countersink drill bits are designed for woodworking and light metalwork. They cover pilot holes and flush countersinks, ideal for cabinetry, furniture making, and DIY projects where neat screw seating matters.

✅ Four-piece set with sizes 2.8×8, 3.2×8, 3.5×10, 4.0×10 mm (0.11×0.31, 0.13×0.31, 0.14×0.39, 0.16×0.39 in) and 1/4 inch hex shank
✅ Helical design plus sharp cutting edges for clean countersinks and 82-degree screw heads
✅ Adjustable depth stops with hex screws for precise, repeatable depth control
✅ Wide compatibility: natural wood, engineered wood, plywood, aluminum, plastics
✅ Recommended slow operation around 200 RPM for best edge finish

💡 What is a countersink drill bit set used for?

- Precise pilot holes and flush countersinks in wood, plywood, MDF, and plastics - Handy for cabinetry, furniture assembly, and DIY projects requiring neat screw seating - Depth stops enable consistent seating depth across multiple holes - Works with standard screws and a range of common materials