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Solid Carbide Multi-Step Drill Bit for Aluminum Copper Soft Steel Uncoated Coated Options

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May 22, 2025
Category Connection: Carbide Step Drill
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#Metalworking Drill Bits #2 Flute Drill Bit #Straight Flute Carbide Drill
Brief: Discover the Solid Carbide Multi-Step Drill Bit, designed for precision machining of aluminum, copper, and soft steel. Available in uncoated or DLC-coated options, this high-performance tool reduces production time by combining drilling, chamfering, and countersinking in one operation. Perfect for CNC machining centers.
Related Product Features:
  • Advanced Material Options: Uncoated carbide for aluminum, copper, and brass, or AlTiN/TiN coated for extended life in soft steels.
  • Multi-Step Geometry: Customizable step increments (0.5mm/1mm/2mm) with precision ground edges for burr-free finishes.
  • Optimized Cutting Design: 3-4 flute spiral design with 140° point angle for efficient chip evacuation.
  • Coolant Compatibility: Through-tool coolant holes (2-4 channels) supporting MQL and flood cooling.
  • Rigid Carbide Construction: Sub-micron grain structure with Weldon flat shank option for heavy-duty machining.
  • 40% Faster Machining: Compared to standard twist drills, reducing production time.
  • 2-3× Longer Tool Life: With AlTiN coating, ideal for abrasive soft steels.
  • Mirror Finishes: Achieves Ra ≤0.8µm in aluminum and copper for high-quality results.
Faqs:
  • What materials is this multi-step drill bit suitable for?
    This drill bit is designed for aluminum, copper, soft steel, and brass, with coating options optimized for each material.
  • Can I customize the step increments of the drill bit?
    Yes, the drill bit offers customizable step increments of 0.5mm, 1mm, or 2mm to suit your specific machining needs.
  • What are the benefits of the AlTiN coating?
    The AlTiN coating extends tool life by 2-3 times, especially in abrasive soft steels, and enhances performance in high-temperature applications.
  • Is this drill bit compatible with coolant systems?
    Yes, it features through-tool coolant holes (2-4 channels) that support both MQL and flood cooling for heat-sensitive alloys.
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