5-Pc Countersink Tapered Drill Bit Set – Hex Shank Wood

$12.85 $16.11

Color Titanium Plating6-12 HSS Silver 6-12 Titanium Plating5-12 HSS Silver 5-12

5-Piece Countersink Tapered Drill Bit Set for Woodworking

Get cleaner, more professional results on every woodworking project with this 5-piece countersink tapered drill bit set. Designed for drilling pilot holes and countersinking in a single pass, these bits save you time and help prevent wood splitting — no more swapping between multiple bits mid-job.

The set covers screw sizes #5, #6, #8, #10, and #12, making it versatile enough for cabinets, furniture assembly, decking, trim work, and general DIY carpentry. Each bit features an adjustable counter sleeve so you can fine-tune countersink depth with a simple Allen wrench adjustment. The 1/4" hex shank is quick-change compatible, fitting most standard power drills and impact drivers right out of the box.

Made in Mainland China.

Key Features

5 bits in one set: Covers screw sizes #5, #6, #8, #10, and #12
Drill & countersink in one step — no need to change bits
Adjustable counter sleeve depth via included Allen wrench
1/4" hex quick-change shank — compatible with most drills and drivers
HSS 4241 high-speed steel drill with steel 45 chamfer drill body for durability
Adjustable drilling length — loosen and tighten the set screw to match different screw lengths
Reduces wood splitting by pre-drilling a clean pilot hole before driving the screw

Specifications

Material: HSS Drill 4241 (drill), Steel 45 (chamfer body)
Shank: 1/4" Hex (quick-change compatible)
Color: Golden / Silver
#5: 1.98mm (0.078") × 50mm
#6: 2.38mm (0.094") × 55mm
#8: 2.78mm (0.109") × 60mm
#10: 3.175mm (0.125") × 63mm
#12: 3.56mm (0.140") × 65mm
Origin: Mainland China

Perfect For

Cabinet making and furniture assembly
Deck building and trim carpentry
General DIY woodworking projects
Crafters and hobbyists working with wood

Frequently Asked Questions

Q: What screw sizes does this countersink drill bit set support?

A: The 5-piece set includes tapered countersink bits for wood screw sizes #5, #6, #8, #10, and #12, covering the most common sizes used in woodworking and general carpentry projects.

Q: Is the countersink depth adjustable?

A: Yes! Each bit features an adjustable counter sleeve that you can raise or lower using the included Allen wrench, giving you precise control over countersink and pilot hole depth for different screw lengths and wood thicknesses.

Q: Will these bits fit my existing drill or impact driver?

A: These bits have a standard 1/4" hex shank, which is quick-change compatible with the vast majority of cordless drills, corded drills, and impact drivers on the market today.

Q: Can these bits be used on materials other than wood?

A: These tapered countersink bits are specifically designed and optimized for wood drilling. For best results and longest bit life, use them on softwood, hardwood, plywood, MDF, and similar wood-based materials.

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.