5 Piece Grooved Step Drill Bit Kit (2176) In Stock Now

1/8" - 1/2" in 1/32" increments, 13-step drill

3/16" - 1/2" in 1/16" increments, 6-step drill

3/16" - 7/8" in 1/16" increments, 12-step drill

1/4"  - 3/4" in 1/16" increments, 9-step drill

1/4" - 1-3/8" in 1/8" increments, 10-step drill