#1 Economy Step Drill High Speed Steel For Hole Sizes 1/8 Inch To 1/2 Inch & M3 To M12.5

661.11.01 MFG #: F672
This economy step drill can drill up to thirteen different hole sizes with just one bit.
  • Features
  • Specifications
Hole Sizes: 
  • 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16,11/32, 3/8, 13/32, 7/16, 15/32, 1/2, (3, 4, 4.5, 5.5, 6, 7, 8, 8.5, 9.5, 10, 11, 12, 12.5)
  • Hole Size: 1/8 - 1/2 Inch
  • Material: Steel
  • Number of Flutes: 3
  • Overall Length: 3 Inch
  • Shank Size: 1/4 Inch
  • Type: Style A