Five Piece Countersink Drill Bit Set For Metal With M2 Cobalt Bits, 82 Degree Countersink, Hex Shank, Sizes One Quarter, Three Eighths, One Half, Five Eighths, And Three Quarters Inch, Perfect For Copper, Aluminum, And Woodwork

Five-Piece M2 Cobalt Countersink Bit Set for Metal
✔️ 82° countersink, 5-flute cobalt bits, hex shank, sizes 1/4, 3/8, 1/2, 5/8, 3/4 in

These five cobalt countersink drill bits are designed for metal, copper, aluminum, and wood, delivering clean, flush countersinks for cabinet hardware, metal fabrication, and woodworking projects.

✅ Sizes: 1/4", 3/8", 1/2", 5/8", 3/4" with 1/4" hex shank
✅ 82° countersink angle and 5-flute design for clean, precise cuts
✅ M2 cobalt coated for heat resistance and long life
✅ Hex shank for secure bit changes on standard drills
✅ Black oxide finish for corrosion resistance
✅ 100 extra-long warranty with responsive support (refund/replace)

💡 What is a countersink drill bit set used for in metalworking and woodworking?

- Handy, quick answer: countersinks create flush seating for screws.
- Creates a conical recess into metal, copper, aluminum, or wood.
- The 82° countersink angle and 5-flute design promote clean, precise work.
- M2 cobalt coating offers heat resistance and longer bit life.