Three Piece Single Flute Countersink Set With 82 Degree Cutting Angle For One Quarter Inch, Three Eighth Inch, And One Half Inch Bits, Pro Grade Quality Delivers Clean Countersinks For Flathead Screws And Great Chip Clearance For Plastic And Aluminum

Three-Piece 82° Countersink Set for Flathead Screws
✔️ Includes 1/4, 3/8, 1/2 in sizes with 82° angle

This three-piece countersink set uses high-speed steel with a single flute to deliver clean, flush countersinks for flathead screws. It provides excellent chip clearance for plastic and aluminum and is optimized for hand drills and low-powered machines. The 82° cutting angle minimizes chatter and yields smooth, controlled cuts in soft materials.

✅ Includes 1/4", 3/8", 1/2" sizes with 82° cutting angle
✅ Single flute design provides excellent chip clearance in plastic and aluminum
✅ Low-speed friendly for hand drills and low-powered machines
✅ Smooth, controlled cuts with minimal vibration for clean finishes
✅ Durable HSS construction for long-lasting performance

💡 What is a countersink bit used for in DIY and shop projects?

Common, handy explanation of its role and benefits for basic tasks.

- flush seating for flathead screws in soft plastics and aluminum
- chip clearance improvements with single-flute design
- works with hand drills and low-powered machines
- reduces chatter for clean finishes