5 Pcs Countersink Drill Bit Set for Wood Screws No5-12 - Adjustable Pilot Hole & Counterbore, 1/4 inches Hex Shank

Get clean, professional screw finishes in wood—no splitting, no messy raised heads, and no constant bit swapping. This set is made for DIYers, carpenters, and woodworkers who want faster pilot drilling and neat countersinks in one smooth step. The adjustable depth collar lets you match different screw lengths for consistent results across projects. Perfect for countersink drill bit set, pilot hole drill bits, and woodworking countersink needs when you want speed and precision.

Key Features

• Drill + countersink in one step to save time and keep workflow smooth

• Adjustable depth stop for consistent screw seating across different screw lengths

• Quick-change 1/4 inches  hex shank works easily with most drills and impact drivers

• Sized for common screws #5–#12 for versatile use in furniture, cabinets, and repairs

Why Choose Our Countersink Drill Bit Set for Wood Screws

Unlike standard bits that require switching to a countersink separately, this set combines pilot drilling and countersinking for cleaner results and faster builds. The adjustable sleeve depth helps you get repeatable, flush finishes—better than freehand countersinking.

Perfect For

• Furniture building & assembly: smooth, flush screw heads that look finished

• Cabinetry and trim work: cleaner holes with reduced wood splitting

• DIY home projects: shelves, frames, repairs, and woodworking upgrades

• Batch drilling when you want consistent depth and speed

Product Specifications

• Set includes: 5 pieces for screw sizes #5, #6, #8, #10, #12

• Shank: 1/4 inches  hex shank

• Pilot drill bit material: High-Speed Steel (HSS) Grade 4241

• Chamfer drill body material: 45 steel, Medium-carbon steel

Bit Size

• #5: 0.08  × 1.97 in

• #6: 0.09  × 2.17 in

• #8: 0.11  × 2.36 in

• #10: 0.13 × 2.48 in

• #12: 0.14 × 2.56 in

Make every screw sit clean and flush—order now and enjoy faster drilling with pro-looking woodworking results.