Features:-
- For making holes in thin sheet metals
- Titanium-nitride (TIN) coated step drill with a surface hardness that makes the tool last 4 to 5 times longer than ordinary step drill bits
- Same surface reduces friction, resulting in a tool that runs cooler and effective, self-lubricates while running dry
- Self-centering point
- Drills holes from 4 mm to 22 mm in 2 mm increments
- Shank 3/8″ (10 mm)
