1.SELF STARTING - No need for a pilot hole.
2.Cobalt coated to reduce friction and run cooler.
3.Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck.
4.Automatically deburrs holes as you drill.
5.Long Life True M2 high speed steel,Includes protective padded aluminum case.
- Titanium Step Drill Bit Set from high quality M2 steel comes with Aluminum case and Tri-flat shank
- High speed steel Tri-flat shank design for sure grip for improved performance
- Titanium nitride cobalt coating adds a hard layer for a lifetime guarantee of fast cutting speeds
- Two-flute design sizes 1/4,3/8,1/2,5/8,3/4. Automatically deburrs holes as you drill
- High Speed Steel Countersinks are milled and precision ground to 82
- Titanium Step Drill Bit Set from high quality M2 steel comes with Aluminum case and Tri-flat shank
- High speed steel Tri-flat shank design for sure grip for improved performance
- Titanium nitride cobalt coating adds a hard layer for a lifetime guarantee of fast cutting speeds
- Two-flute design sizes 1/4,3/8,1/2,5/8,3/4. Automatically deburrs holes as you drill
- High Speed Steel Countersinks are milled and precision ground to 82