31 Sizes High Speed Steel Step Drill Bit Set for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician (1/8-7/8)

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Product details

Management number 219063117 Release Date 2026/05/03 List Price $5.60 Model Number 219063117
Category
  • Ⅰ.Premium Set: Crafted from high-speed steel and coated with titanium nitride for superior durability and strength, these step bits easily drill through materials like plastic, aluminum, copper, stainless steel, and sheet metal.
  • Ⅱ.Perfect for Metal Drilling: Ideal for professionals and DIY enthusiasts alike. Featuring a split-point tip, these step bits offer faster cutting and prevent wandering, ensuring accurate, centered holes in metal.
  • Ⅲ.Efficient Spiral Design: The spiral groove design effectively clears chips, dust, and debris, allowing for smooth, continuous cutting. With 31 available step sizes, these bits guarantee precise hole sizes for every project.
  • Ⅳ.Quick-Change, Hassle-Free: The 1/4-inch hex shank ensures easy, tool-free bit changes. Compatible with most impact-ready power tools, it offers convenience and quick transitions between tasks.
  • Ⅴ.What’s Included: This set includes 3 premium drill bits with a total of 31 step sizes to suit various drilling needs: (13-step drill bit: 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), (6-step drill bit: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2), (12-step drill bit: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8)
Model WSDBS030001
Set Name Premium Step Drill Bit Set
Brand Name Wisechain
Shank Type Hex
Unit Count 31.0 Count
Part Number WSDBS030001
Point Style Split Point
Finish Types Titanium Nitride
Manufacturer Wisechain
Material Type High Speed Steel (HSS)
Tool Flute Type Spiral
Number of Flutes 2
Number of Pieces 3
Included Components step drill bit set
Surface Recommendation Aluminum, Copper, Plastic, Stainless Steel, Wood

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