LIBRATON Four Spiral Flute Step Drill Bit Set 3/16"-7/8", M35 Step Bits
Product Description
LIBRATON Four Spiral Flute Step Drill Bit Set 3/16"-7/8", M35 Step Bits
- 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 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8. The step drill bit includes a storage holder, easy to store and carry.
Technical Specifications
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