Workshop-Ready Adjustable Countersink Drill Bit Set – Professional

Workshop-Ready Adjustable Countersink Drill Bit Set – Professional

Regular price $37.99
Sale price $37.99 Regular price

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Workshop-Ready Adjustable Countersink Drill Bit Set – Professional

Workshop-Ready Adjustable Countersink Drill Bit Set – Professional

Regular price $37.99
Sale price $37.99 Regular price

This adjustable countersink drill bit set combines drilling and countersinking into one operation, allowing screws to sit flush with the wood surface for a cleaner finish.

The set includes an adjustable countersink body, four replaceable center drill bits (2.8mm, 3.2mm, 3.5mm, and 4.0mm), and a hex wrench. The countersink depth is adjustable to suit different wood thicknesses, and the tool is compatible with most standard electric and cordless drills. It is designed for woodworking projects on softwood and hardwood.

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4.3 · 3 reviews

Reviews imported from our previous store / verified customer feedback

★★★★★

Clean holes with blue set

Got the blue set and these adjustable bits are seriously sharp. They consistently make clean, flush holes every time I use them. Worked perfectly on some hardwood for my latest project, especially the 4.0mm bit. So easy to set up and get going.

Reese 223.October 2025
★★★★☆

Good for various tasks

I picked up the gold variant. The various sizes, like the 2.8mm and 3.5mm, are excellent for different jobs around the workshop. They feel quite sturdy and offer decent value for the price. Not super fancy, but they reliably get the work done.

Skyler 240.March 2026
★★★★☆

Adjustable depth is handy

Honestly, the adjustable depth on these red countersink bits is a real game-changer. It saves a ton of time when I need precise countersinks without constantly switching tools. The bits cut smoothly, and I have no complaints about their performance yet.

Rowan 190.July 2026