Step Drill Sets
POWERBOR Step Drill Sets - Size Range: 7/16~15/16

Step Drill Sets

Item #: 26-035-538
Size Range: 7/16" to 15/16"
No. of Holes: Assorted
Finish Coating: Black Oxide

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Designed for use in Powerbor® magnetic drilling machines


  • Allows a number of popular hole sizes to be drilled with just one tool.
  • Reduces cost per hole.


  • Enlarges and realigns exisitng holes.
  • For general engineering, bridge and highway maintenance.
  • Truck and trailor manufacturing.
  • Construction.
  • Shipbuilding and railroad.
  • Offshore rigs and pipelines.
  • Elevator repair.
  • General metal fabrication.


Model #IPSD#1
  • Drills most popular hole sizes.
  • Size range: 3/8"~15/16"
  • (10) Different sizes with only (2) tools.
  • No pilot pin required (self starting).
  • Drill 1 hole size smaller than annular cutters.
Model #IPSD#2
  • Drills (9) most popular larger diameter hole sizes.
  • Size range: 7/16"~15/16"
  • No pilot pin required except for the 13/16" (self-starting).
Powerbor IPSD#1 7/16"-15/16" Step Drill Set
Product Specifications
Size Range 7/16" to 15/16"
No. of Holes Assorted
Finish Coating Black Oxide
Model # IPSD#2
Application Enlarges and realigns exisitng holes.For general engineering, bridge and highway maintenance.For use in Powerbor magnetic drilling machines.
No. of Flutes 2 or 3
Prop. 65 Yes
Shank Size 3/4" Weldon
Size 7/16"~15/16"
Tool Material High Speed Steel
Type Step Drill Sets
Weight 1.58 lbs.
Country of Origin UNITED KINGDOM
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.