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3/8X12 SH SP BK DRILL BIT - Tru Cut Maufacturing

Part #: A12.375

The Tru Cut Manufacturing A12.375 drill bit is a professional-grade tool designed for demanding automotive and industrial drilling applications. This 3/8-inch diameter, 12-inch long straight shank drill bit features a robust construction and a black oxide finish, engineered for durability and consistent performance in various materials. Ideal for technicians requiring extended reach and reliable hole creation, it maintains precision even through tough jobs.

Key Features

  • Durable Construction: Manufactured from high-speed steel for extended tool life and resistance to wear under heavy use.
  • Black Oxide Finish: Provides enhanced corrosion resistance, reduces friction, and improves chip flow for smoother drilling.
  • Split Point Tip: Facilitates quick starts, minimizes "walking," and eliminates the need for a pilot hole, ensuring accurate hole placement.
  • Long Reach Design: The 12-inch overall length is suitable for reaching deep or recessed drilling locations in engine blocks, chassis components, and industrial machinery.
  • Straight Shank: Compatible with standard drill chucks, offering secure gripping and stable operation.

Applications

The Tru Cut A12.375 drill bit is a versatile tool for professional mechanics and industrial technicians. It is well-suited for drilling in various materials including mild steel, cast iron, aluminum, and other non-ferrous metals commonly found in vehicle repair and manufacturing environments. Specific applications include drilling out broken bolts, reaming existing holes, creating new passages for wiring or hoses, and general fabrication tasks in workshops and production lines. Its extended length makes it particularly useful for accessing difficult-to-reach areas within vehicle frames or large machinery.

Only 8 left in stock - order soon

$8.45

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

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