Workhorse Countersink Drill Attachment For Air And Electric Tools Quarter Inch Shank With Quarter Inch By Twenty Eight Thread Accepts Rivet Shaver Bit Or Pilot Cutter Up To Half Inch Diameter Two Inch Overall Length No Mar Finish

Compact countersink drill attachment for clean holes
✔️ 1/4 in shank, 1/4x28 thread; rivet shaver bits up to 1/2 in

This compact, single-unit countersink drill attachment fits most air and electric drills. It accepts rivet shaver bits or pilot cutters up to 1/2 inch diameter, delivering a clean, no-mar finish on countersunk holes.

✅ 1/4 in shank; 1/4x28 female thread
✅ Accepts rivet shaver bits or pilot cutters up to 1/2 in diameter
✅ Overall length 2 in
✅ No mar finish

💡 What is a countersink drill attachment used for when drilling holes for screws and rivets?

It's a handy tool to create flush countersinks using a standard drill, ensuring clean seating.

- Provides flush seating for screws and rivets
- Works with rivet shaver bits or pilot cutters up to 1/2 in diameter
- Uses 1/4 in shank and 1/4x28 female thread for compatibility
- Suitable for DIY, automotive, and metalworking projects