Countersink Drill Bit Set

$29.90

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Proper hole preparation for wood screws usually takes three steps—drilling a pilot hole, a clearance hole, and a countersink—followed by installing the screw. It’s time-consuming, which is why many woodworkers skip it, often leading to weak joints or split wood.

The Sawinery Countersink Drill Bit Set simplifies all of this into one step by combining a tapered bit with a built-in countersink. Matched to the three most common wood screw sizes, it speeds up assembly without sacrificing strength or risking damage.

Faster Assembly Time
Includes Common Screw Sizes
Pilot and Clearance Holes

🎖️ A portion of every order is donated to The Purple Heart Project, helping combat-wounded veterans find peace through traditional hand tool woodworking.

Specifications

Dimensions: 7.75 x 4.35 x 0.85 in
Weight: 0.23 lb. | 0.1 kg.

⚠️ CA WARNING: Cancer and Reproductive Harm from Nickel, Cobalt, and Wood Dust exposure — www.P65Warnings.ca.gov

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Highlights:

Comprehensive Set:
Includes countersink drill bits for #6, #8, and #10 screws, covering the most commonly used wood screw sizes.
Tapered Drill Bit Design:
Ensures a wide clearance for the non-threaded part of the screw while creating a pilot hole for the threaded section, reducing wood stress.
Depth Control:
The adjustable stop collar allows precise countersink depth, ensuring screw heads sit flush with or below the wood surface.
Counterbore Option:
By removing the stop collar, the countersink functions as a counterbore, creating space for wood plugs to conceal screws.
¼-Inch Hex Shank:
Provides a secure grip with drill chucks and is compatible with impact drivers, ensuring reliable performance across tools.