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6-21/64 BLK/GLD 135D JLDRILL - Tru Cut Maufacturing

Part #: HDC.328

The Tru Cut Manufacturing HDC.328 is a professional-grade 6-21/64 inch jobber length drill bit engineered for demanding automotive and industrial applications. Designed for superior performance and longevity, this drill bit provides efficient and precise drilling in a variety of tough materials, making it an essential tool for technicians and mechanics.

Key Features

  • Durable Construction: Manufactured by Tru Cut Manufacturing, known for professional-grade tools, ensuring reliability and extended service life.
  • Precision 135° Split Point: The 135-degree split point tip prevents "walking" and allows for immediate penetration without the need for a pilot hole, reducing drilling time and improving accuracy.
  • Black/Gold Finish: A specialized black and gold surface treatment enhances chip evacuation, increases lubricity, and provides added wear resistance for prolonged sharpness and performance.
  • Optimized for Hard Materials: Engineered to effectively drill through high-strength steels, alloys, and other challenging materials commonly found in vehicle frames, engine components, and industrial machinery.
  • Jobber Length Design: Offers a balanced combination of reach and rigidity, suitable for general-purpose drilling tasks in confined spaces or open work areas.

Applications

The HDC.328 drill bit is ideal for a wide range of professional applications, including:

  • Automotive Repair: Drilling into chassis, frame components, exhaust systems, and various engine parts.
  • Industrial Maintenance: General fabrication, machinery repair, and drilling structural steel in manufacturing environments.
  • Heavy Equipment Service: Repairing and modifying components on construction equipment, agricultural machinery, and other heavy vehicles.
  • Metalworking: Precision drilling in workshops and fabrication shops where durability and accuracy are paramount.

Specifications

  • Manufacturer: Tru Cut Manufacturing
  • Model Number: HDC.328
  • Diameter: 6-21/64 inches
  • Point Angle: 135° Split Point
  • Finish: Black/Gold
  • Type: Jobber Length Drill Bit
Only 9 left in stock - order soon

$3.92

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This product was added to our catalog on Tuesday 30 June, 2026.

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