LIBRATON Four Spiral Flute Step Drill Bit, M35 Cobalt Unibit Step Drill Bit Set 1/8"-1/2", AlTiN Coated Step Bits, Four Spiral Flute, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic

★★★★★ 4.6 56 reviews

US$7.60
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US$7.60
Price when purchased online
Free shipping Free 30-day returns

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Management number 218986530 Release Date 2026/05/03 List Price US$7.60 Model Number 218986530
Category
  • 4-Flute Turbo-Cutting System: Libraton step drill bit set has quad spiral grooves enabling 40% faster chip evacuation than 2-flute competitors, eliminating jams when drilling.
  • Military-Grade M35 Cobalt Core: Our step drill bit for metal is of 5% cobalt alloy withstands 1,450°F heat - 3X lifespan vs normal HSS bits. Perfect for hardened steel, copper alloys, and carbon fiber composites.
  • Nano-AlTiN Armor Coating: The unibit step drill bit is of 89HRC-rated surface with 0.45 friction coefficient outlasts TiN coatings.
  • Universal 1/4" Hex Shank: Each step bit has instant compatibility with multiple tools. Anti-slip grooves prevent chuck slippage even under 35N·m torque.
  • Multiple Step Sizes: The step drill sizes including 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. The step drill bit includes a storage holder, easy to store and carry.

UPC 630808005695
Model 630808005695
Set Name LIBRATON Four Spiral Flute Step Drill Bit Set 1/8"-1/2"
Brand Name LIBRATON
Shank Type Hex
Unit Count 13.0 Count
Part Number 90133131
Point Style Step Point
Finish Types Titanium Aluminum Nitride
Manufacturer LIBRATON
Material Type High Speed Steel With Cobalt Alloy
Tool Flute Type Spiral
Number of Flutes 4
Cutting Angle String 118 Degrees
Surface Recommendation Metal, Plastic, Wood

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