Description
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)




