Premium CNC & Router Bits for Precision Cutting

Whiteside #10 Countersink Bit

Whiteside 4 Flute, 82-degree Adjustable #10 Countersink, High Speed Steel, 1/2″ Outside Cutting diameter, 13/64″ Inside Diameter (for 13/64″ center drill), for countersinking holes for a #10 size screw. Wood Screw size: #10 Countersink Diameter: 1/2″ Made in USA Replacement tapered bits available

Whiteside #10 Countersink Bit - Main image
$20.15 $27.99 In stock

Category: Workshop

This Whiteside #10 Countersink Bit is designed for workshop applications, providing a clean, countersunk hole for screw installation. It is a practical addition to your tool collection for woodworking and general shop tasks.

  • Specifically sized as a #10 countersink bit for compatible screw sizes.
  • Suitable for workshop use, helping to create a professional finish on your projects.
  • From Whiteside, a brand known for quality cutting tools.
  • Single bit included (SKU: W-8070010).
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Nicholas L. ★★★★★

The cut is impressively clean, no chipping or tear-out even in some gnarly grain. I’ve been using it for pilot holes and screws on a few projects, and the countersink depth stays consistent every time.

Hazel B. ★★★★★

First time using a dedicated countersink bit and the 82-degree angle left my screw heads perfectly flush with the plywood surface. The machining is precise enough that I didn’t get the tear-out I used to fight with a standard drill bit.

Ella L. ★★★★★

Used this for some cabinet hinges and the countersink depth was consistent across a dozen holes. The carbide tip is still sharp after the whole job, which I appreciate.