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LIBRATON Four Spiral Flute Step Drill Bit, M35 Cobalt Unibit Step Drill Bit Set 1/8"-7/8", AlTiN Coated Step Bits, Four Spiral Flute, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic, 3PCS

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Product details

Management number 215637432 Release Date 2026/04/12 List Price $17.20 Model Number 215637432
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.
  • 34 Step Sizes: There are 3PCS step drill bits, and the step drill sizes range from 1/8" to 7/8" in 0.04" increments. The step drill bit set includes a shockproof case, easy to store and carry.

UPC 630808005718
Brand Name LIBRATON
Shank Type hex
Unit Count 3.0 Count
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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