7-Piece Tapered Countersink Drill Bit Set | Hex Shank & Depth Stop

7-Piece Tapered Countersink Drill Bit Set with Adjustable Depth Stop

Tackle every woodworking and DIY project with confidence using this versatile 7-piece tapered countersink drill bit set. Engineered from high-speed steel (HSS) with a black oxide finish, this kit lets you drill pilot holes, countersink screw heads flush with the surface, and chamfer edges — all with a single tool swap. Whether you're building furniture, installing shelving, or crafting custom woodwork, this set keeps your workflow smooth and your results professional.

Key Features

• 7-Piece Complete Kit: A range of sizes covers drilling, countersinking, and chamfering in one convenient set — no need to hunt for individual bits.
• Hex Shank Design: The 1/4" hex shank fits securely in standard drill chucks and quick-change systems for a wobble-free, efficient drilling experience.
• Adjustable Depth Stop: A lockable depth ring delivers precise, consistent hole depths every time — perfect for repeatable results across large projects.
• Black Oxide Coating: Provides enhanced rust resistance and extends the working life of each bit, even under frequent use.
• Tapered Tip Geometry: Clean countersinking lets screw heads sit perfectly flush with — or just below — the work surface for a polished, finished look.
• HSS Steel Construction: High-speed steel provides excellent hardness and heat resistance for long-lasting performance in wood, plywood, MDF, and soft composites.

Specifications

Package Contents

• 1× 7-Piece Tapered Countersink Drill Set

Notes

Colors may vary slightly from photos due to monitor brightness and lighting conditions. Please allow ±1–2 mm manual measurement deviation.

For guidance on safe tool use and workshop best practices, visit the OSHA Tools & Equipment Safety resource.

Frequently Asked Questions

Q: What materials can this countersink drill bit set be used on?

A: This 7-piece tapered countersink drill set is designed primarily for use on wood, plywood, MDF, and soft composite materials. The HSS steel construction handles these materials with ease. It is not recommended for hardened metals or masonry.

Q: Does the hex shank work with a standard drill and quick-change drivers?

A: Yes! The 1/4" hex shank is compatible with standard drill chucks as well as quick-change driver systems, making it easy to swap bits rapidly during your project.

Q: How does the adjustable depth stop work?

A: The depth stop is a lockable collar that slides along the bit shaft. Set it to your desired depth, tighten the locking mechanism, and every hole you drill will be a consistent, repeatable depth — ideal for production runs or matching hole depths across multiple pieces.

Q: Will the black oxide coating prevent the bits from rusting?

A: The black oxide coating significantly improves rust resistance compared to uncoated bits. For best longevity, store the bits in a dry location and wipe them clean after use.