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.
Quickly expand holes to precise sizes using a single tool Made of the highest quality tool steel For use on thin metal, plastic and wood. Ideal for sheet metals. Cuts clean holes Titanium Nitrides and Black Oxides increase hardness and lubricity for quick and smooth cutting “No Spin” shank with 3 flats
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