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1/4" - 3/4" Ultra-Bit™ Step Drill Bit
1/4" - 3/4" Ultra-Bit™ Step Drill Bit thumbnail 1

1/4" - 3/4" Ultra-Bit™ Step Drill Bit

Hole Diameter: 1/4" - 3/4"
View All Product Variations
Item #: 824103
Package Weight: 0.2 lbs

Product Details

  • MULTI-DIAMETER DRILLS - One drill can produce up to 13 different hole sizes.
  • DOUBLE FLUTED DESIGN - Drills clean, accurate, burr-free holes in thin materials quickly and easily.
  • HIGH MOLY ALLOY STEEL - Special high speed alloy construction provides superior wear resistance for extended tool life.
  • FERRO-GOLD SURFACE TREATMENT - Provides superior surface lubricity for fast and smooth cutting action.
  • 3 FLATS ON SHANKS - Flatted shanks eliminate chuck slippage.
  • VERSATILE - Can be used on portable drills, drill presses and lathes.
  • MULTI-MATERIAL - Stainless steel, steel, aluminum, brass, other metals, rigid plastics, laminates and most material with a thickness equal to or less than the step depth of the drill.
  • MADE IN THE U.S.A.

Product Specification

Brand:  Ultra-Bit
Category:  Step Drills
Finish:  Ferro-Gold
Hole Diameter:  1/4" - 3/4"
Material:  High Moly Alloy Steel
Measurement Type:  SAE
Number of Flutes:  2
Number of Hole Sizes:  9
Series:  Ultra-Bit™
Shank Diameter:  3/8"
Sold As:  Individual
Step Depth:  5/32"
Subcategory:  Step Drills
Warranty:  30 Day

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