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COUNTERSINK CUTTER #21 x 82 Degree - Brown Aviation Tool

Part #: BATCC021-82

The Brown Aviation Tool BATCC021-82 Countersink Cutter is a professional-grade tool engineered for precision countersinking in a wide range of materials. Designed to create clean, accurate conical holes, this cutter ensures fasteners sit flush with the work surface, providing both aesthetic appeal and enhanced structural integrity for critical applications. It is an essential tool for technicians and mechanics who require consistent, high-quality results.

Key Features

  • 82-Degree Angle: Optimized for US standard flat-head screws, machine screws, wood screws, and sheet metal screws, ensuring a perfect, flush fit and preventing fastener protrusion.
  • #21 Cutter Size: Precisely sized for specific fastener diameters, enabling accurate pilot hole preparation and consistent seating.
  • Durable Construction: Manufactured by Brown Aviation Tool, known for supplying quality tools for aircraft structures work, ensuring longevity and reliable performance in demanding industrial and automotive environments.
  • Clean & Precise Cuts: Engineered to produce burr-free finishes, reducing the need for post-drilling cleanup and enhancing overall workpiece quality.
  • Versatile Material Compatibility: Effectively countersinks in various materials, including aluminum, steel, composites, plastics, and hardwoods, making it suitable for diverse professional applications.

Applications

This professional countersink cutter is ideal for a multitude of tasks where flush fastener mounting and precise hole preparation are critical. It is widely utilized in:

  • Aerospace Manufacturing and Maintenance: Essential for preparing rivet holes and fastener recesses in aircraft structures, ensuring aerodynamic surfaces and structural integrity.
  • Automotive Assembly and Repair: Used for flush-mounting screws and fasteners in bodywork, interior components, and other critical areas.
  • Industrial Fabrication: Ensures proper seating of flat-head fasteners in machinery, equipment, and structural components for a clean finish and improved joint stability.
  • Woodworking and Cabinetry: Provides a professional, seamless finish by allowing screws to sit flush or be hidden beneath plugs, preventing material splitting.
  • General Deburring and Chamfering: Can be used for general-purpose deburring of drilled holes and creating chamfers for assembly and safety.
Only 6 left in stock - order soon
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This product was added to our catalog on Saturday 11 July, 2026.

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