STPSET3TM | Alpha ThunderMax Straight Flute Step Drill Set (3 Piece)
The Alpha ThunderMax Step Drill Set (Straight Flute) is your go-to solution for precision drilling in a variety of materials. Manufactured in the UK for 2x longer life, these bits drill and deburr in one smooth process. The straight flute design offers robust cutting action, while the tempered black finish assists with heat dissipation and lubricant retention. Housed in a sturdy metric plastic box, this set covers a comprehensive range of hole sizes from 4mm to 30mm.
Important: The use of quality cutting fluid is mandatory to prevent heat buildup and maximize tool life.
Key Features
2x Life: Made in the UK for professional durability and extended service.
Straight Flute: 2-flute design for smooth, controlled cutting and easy re-sharpening.
Self-Starting: Split point removes the need for a pilot hole.
Tempered Black Finish: Maximizes lubricant hold, assists chip flow, and resists corrosion.
Secure Grip: Non-slip shanks prevent spinning in the chuck.
Set Includes
4-12mm: 9 Steps (4, 5, 6, 7, 8, 9, 10, 11, 12mm)
4-20mm: 9 Steps (4, 6, 8, 10, 12, 14, 16, 18, 20mm)
6-30mm: 13 Steps (6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30mm)