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IRWIN

Countersink Replacement Countersink Bit, Widened Flute, 1/4 In Dia Shank, #6

Mfg.#
1882787
Sku#
5764964
  • Tapered drill with widened flutes for drilling fast, clean pilot holes
  • Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking
  • Counterbore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
  • 1/4 in quick-change shank reduces slipping in standard chucks and is compatible with all 1/4 in quick-change chucks, including impact drills

* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4 in quick change shank reduces slipping in standard chucks and is compatible with all 1/4 in quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.

Specifications

General

Applicable Materials Wood
Flute Type Wide
Pack Qty 1
Quick Change Shank Yes
Type Countersink Bit

Dimensions

Diameter 9/64 in
Shank Diameter 1/4 in

Manufacturing Details
The following information is subject to change without notice

Country of Origin CN

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