5-Piece Countersink Drill Bit Set with Depth Stop | 8mm Shank

5-Piece Countersink Drill Bit Set with Adjustable Depth Stop

Take your woodworking to the next level with this professional-grade 5-piece countersink drill bit set. Crafted from premium alloy steel and featuring an adjustable depth stop collar, these taper hole countersink bits deliver clean, precise, and consistent results every time — whether you're building furniture, assembling cabinets, or tackling detailed DIY projects.

Made in Mainland China.

Key Features

• Premium Alloy Steel Construction: Built from high-quality alloy steel for superior cutting performance, exceptional durability, and outstanding abrasion resistance that stands up to demanding use.
• 5 Multi-Size Drill Bits: Includes five diameters — 2.8mm, 3mm, 3.2mm, 3.5mm, and 4mm — to cover a wide range of screw sizes and drilling tasks in a single convenient set.
• Adjustable Depth Stop Collar: Easily set drilling depth from 2.5mm to 10mm to match various screw lengths, ensuring consistent hole depth and preventing over-penetration every time.
• Rapid Chip Removal: Taper hole design reduces chip loads and evacuates wood sawdust quickly and smoothly for faster, cleaner drilling.
• Uniform, Consistent Results: Creates perfectly countersunk holes for flat head and plug screws — no wood splitting, no guesswork, just clean and professional results across every drilling session.
• Universal 8mm Round Shank: The 8mm round shank fits securely in virtually any drill chuck with minimal slippage — compatible with electric drills, cordless hand drills, bench drills, and more.

Wide Applications

• Cabinetmaking: Create perfectly countersunk screw holes for a clean, professional cabinet finish.
• Furniture Assembly: Drill accurate counterbores in furniture components for secure, flush fittings.
• Woodworking Projects: Ideal for crafting, joinery, and decorative woodwork of all kinds.
• Door Installation: Drill precise holes for hinges and hardware for smooth, accurate alignment.
• Electrical & Plumbing Work: Create clearance holes for electrical fittings or plumbing fixtures in cabinetry.
• Model Making: Perfect for hobbyists who need precise, intricate drilling for detailed designs.
• Restoration Projects: Replicate or adjust original screw holes when restoring antique furniture.
• DIY Home Improvements: From shelving to decorative elements, tackle any home improvement task with confidence.
• Bespoke Joinery: Trusted for custom joinery work where precision and aesthetics are paramount.

Specifications

Package Includes

• 5 × Limit Countersink Drill Bit with Depth Stop Collar
• 5 × Wrench Kit

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Frequently Asked Questions

Q: What drill sizes are included in this countersink drill bit set?

A: This 5-piece countersink drill bit set includes five different diameters: 2.8mm, 3mm, 3.2mm, 3.5mm, and 4mm, making it versatile enough to accommodate a wide variety of screw sizes and woodworking applications.

Q: What is the depth range of the adjustable depth stop collar?

A: The depth stop collar on each countersink bit is fully adjustable from 2.5mm to 10mm, allowing you to match the drilling depth precisely to the length of screw you're using and ensuring consistent, uniform holes every time.

Q: Are these countersink bits compatible with all types of drills?

A: Yes! The 8mm round shank design fits securely in the chuck of most standard electric drills, cordless hand drills, and bench drills with minimal slippage, making them highly versatile for workshop or jobsite use.

Q: What materials can these countersink drill bits be used on?

A: These alloy steel countersink bits are primarily designed for woodworking applications including hardwood, softwood, plywood, MDF, and composite boards. They are ideal for cabinetmaking, furniture assembly, joinery, and DIY home improvement projects.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.