HCS 82° Single-Flute Countersinks

$18.75 ~~$37.5~~ In stock

Our HCS 82° Single-Flute Countersinks are precision tools designed for clean, accurate countersinking in wood and other soft materials. The single-flute design helps prevent chatter and provides a smooth finish, while the 82° angle matches standard screw heads for a professional result.

High-carbon steel (HCS) construction for durability and long-lasting edge retention.
Single-flute geometry reduces vibration and improves cutting efficiency.
82° included angle fits common countersunk screw heads.
Ideal for woodworking, cabinetry, and general shop use.

Customer Reviews (4.8 / 5 · 5 reviews)

George ★★★★★ Aug 24, 2026

I’ve used these on pine and birch plywood, and the 82° angle seats screws flush every time without any tear-out. Cuts smoothly and quickly, no real chatter to speak of.

Harper ★★★★★ Aug 23, 2026

The single-flute design really does what it promises—no chatter at all on the pine boards I was working with. The 82° angle leaves a crisp, clean seat for the screw heads, which made my final assembly look much tidier than usual.

Steven ★★★★★ Aug 22, 2026

Cut a dozen holes in some oak today and the 82° angle left every screw head sitting perfectly flush, no tear-out around the edges. The single-flute really does keep it from jumping around, which I wasn’t expecting for the price.