The LaserBest® Step Drill Bits are high quality and convenient tools for expanding or deburring holes in thin materials, specifically sheet metals. Each Step Drill Bit has several different steps designed to cover the most common hole sizes. Simply drill a pilot hole, attach the Step Drill Bit to a hand drill or drill press and you’re ready to go.
LaserBest Step Drill Bits are sold individually or in a 4-pc kit. The available sizes are as follows:
Part 90587 – Individual Bit w/ Size range from 1/8″ to 1/2″
13 Hole Sizes, 1/32″ step increments, 1/8″ step thickness, 1/4″ shank size
Part 90588 – Individual Bit w/ Size range from 1/4″ to 3/4″
9 Hole Sizes, 1/16″ step increments, 5/32″ step thickness, 3/8″ shank size
Part 90589 – Individual Bit w/ Size range from 1/4″ to 7/8″
11 Hole Sizes, 1/16″ step increments, 1/16″ step thickness, 3/8″ shank size
Part 90591 – Individual Bit w/ Size range from 1/8″ to 1-1/8″
16 Hole Sizes, varying step increments, varying step thickness with knockouts at 7/8″ and 1-1/8″, 3/8″ shank size
Part 90592 – 4pc Step Drill Bit Kit
1 each of the individual step drill bits: 90587, 90588, 90589, 90591
Include custom hard plastic storage case
