DuraMaxx Coated Step Drill
1/8-1/2 by 1/32
Part#: 51406
3/16-1/2 by1/16
Part#: 51407
1/4-3/4 by 1/16
Part#: 51408
3/16-7/8 by1/16
Part#: 51409
Quick Change Step Drill
1/8-1/2 x 32nds
Part#: 51416
1/4-3/4 x 16ths
Part#: 51417
3/16-7/8 x 16th
Part#: 51418
1/4-1 3/8, 1/16
Part#: 51421
9/16-1" by 1/16
Part#: 51422
13/16-1 3/8
Part#: 51423
Spiral Flute Step Drill
1/8-1/2 1/4S
Part#: 51427
3/16-7/8 1/4S
Part#: 51428
3/16-1 1/8 1/4S
Part#: 51429
3/16 - 3/4
Part#: 51430
1/2 - 1"
Part#: 51431
Dynamo Step Drill Bit
Part#: 52668