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Infinity Tools 7-Pc. Tapered Drill & Countersink Set

Infinity Tools 7-Pc. Tapered Drill & Countersink Set - Main image
$24.74 $39.9 In stock

Category: Drilling & Boring Drill & Driver Bits

Traditional brass and steel wood screws, commonly used on fine furniture and accessories, are different than ordinary drywall screws. As a result, they require a different type of countersink. These traditional screws have a tapered threaded portion and a smooth body topped off with an 82* head. The tapered design of these bits allows the proper clearance for the body of the screw, which reduces the risk of damaging the screw head, breaking it off entirely, or cracking the workpiece. The adjustable stop ensures that the head of the screw can either be set perfectly flush with the workpiece or recessed into a clean hole and plugged with a decorative cap. The spiraling flutes on these bits clear chips effectively, producing clean holes in hardwoods.

Sizes included with set 101-204:

  • 1/8" diameter drill bit for #5 wood screws
  • 9/64" diameter drill bit for #6 wood screws
  • 5/32" diameter drill bit for #7 wood screws
  • 11/64" diameter drill bi for #8 wood screws
  • 3/16" diameter drill bit for #9 wood screws
  • 13/64" diameter drill bit for #10 wood screws
  • 7/32" diameter drill bit for #12 wood screws
  • Wooden case included!
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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 (5.0 / 5 · 5 reviews)

Hannah ★★★★★

I picked these up for a walnut side table build and the pilot holes came out dead center every time, no walking on the brass screws. The countersinks sit flush enough that I barely had to sand after plugging.

William M. ★★★★★

The tapered bits cut clean countersinks in my walnut without any tear-out, which regular drywall-screw countersinks never managed. Five bits plus the stop collar gave me everything I needed for a whole set of chairs. Wish I'd switched to these years ago.

Alexander W. ★★★★★

Picked these up specifically because my old countersink chattered on brass screws, and the taper on these actually matches the screw heads so the plug sits flush. Cut clean countersinks in cherry and walnut without any burning.