4 pcs HSS Spiral Grooved Step Drill Set

 
Surface:      White Finish   or   Titanium Coated      are available.

 
Packaging:   Aluminum Case   or   Wooden Box    are available.

Straight Grooved are available.

 
Item No.:    SDB401

Size include:

1/8" - 1/2" x 13 step
1/4" - 3/4" x 9 step
3/16" - 7/8" x 12 step
1/2" - 1" x 9 step