Stark USA 31013 3pc Quick Change Drill Titanium Step Drill UNI Bit Set – Ihubdeal
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Stark USA 31013 3pc Quick Change Drill Titanium Step Drill UNI Bit Set 28 Hole Size

SKU: 31013
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$1595 $2695

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Our step drill bits are constructed from traditional combined with a titanium coating to make them even more durable. This also proves the capability and durability of the drill to last through multiple drilling on surfaces such as plastic, aluminum, copper, stainless steel, and much more.


  • Wide Application: It's great for sheet metal, aluminum sheets, wood chips, plastic, and wood board. It's a perfect choice for DIY and engineering use
  • Titanium Coating Material: High-speed steel along with titanium coating ensures outstanding durability and sharpness, can reduce friction runs cooler
  • Meet Your Demands: With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble. Great for steel sheets, aluminum sheets, copper, plastic, wood board, and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building, Engineering Use
  • Increased Cutting Speed Design: The split point tip is at 118 degrees to increase the wear resistance. The two-flute design provides a smoother cutting, allows the material particles to escape easily for a much more clean drilling operation
  • Engraved Sizes: Easily identify which size you need with the contrasted, laser engraved sizes inside the step drill bit flute


  • Flute Shape: Straight Flute
  • Shank Type: 1/4" Hex Shank, Quick Change
  • Material: Titanium Nitride Coated
  • Bit Size:
    Bit #1 (6 Steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
    Bit #2 (9 Steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
    Bit #3 (13 Steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"
  • # of Bit: 3
  • # of Step: 28

Package Contents:

  • 3 Step Drill Bit
  • Storage Pouch