Description
Product Description
3pcs Step Drill Set for 4-12mm 4-20mm 4-32mm
* Produce good quality holes in a wide variety of material, using either a bench drill or light pedestal drilling machine.
* Cool-running titanium nitride coating lasts longer than uncoated bits
* High speed steel for longer life
* Automatically deburrs holes while drilling
* Two-flute design for faster, smoother cutting
* Quick-change shank
Application
* For drilling large holes in thin material and reboring existing holes
* Steel sheet and stainless steel from 0.1 to 3.0 mm thick