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COUNTERSINK CUTTER #40 x 100 Degree x 1/ - Brown Aviation Tool

Part #: CC040

The Brown Aviation Tool CC040 Countersink Cutter is a professional-grade tool engineered for precision flush fastening in demanding automotive, industrial, and aviation applications. This 100-degree countersink cutter, featuring a #40 pilot, is designed to create perfectly conical recesses, ensuring fasteners sit flush with the material surface for a clean, secure, and aesthetically pleasing finish. Crafted for durability and consistent performance, it is an essential component for any professional toolkit.

Key Features

  • Precise 100-Degree Angle: Engineered to industry standards, the 100-degree angle is ideal for aerospace fasteners and other applications requiring a flush finish.
  • #40 (.0980) Pilot: Features a #40 pilot, ensuring accurate centering and compatibility with standard 3/32" rivet sizes.
  • Durable High-Speed Steel Construction: Manufactured from high-speed steel (HSS) for extended tool life and robust performance under professional use.
  • 3-Flute Design: The three-flute geometry provides efficient material removal and a smooth, clean cut, reducing chatter and improving finish quality.
  • Microstop Compatibility: Designed with 1/4-28 threads and a 1/2" overall diameter for seamless integration with microstop countersink cages, allowing for precise depth control.

Applications

This versatile countersink cutter is critical for achieving professional results across various industries. It is commonly used in aircraft manufacturing and maintenance for flush riveting, where precision and surface integrity are paramount. In automotive fabrication and industrial settings, it creates perfectly recessed holes for flat-head screws and bolts, enhancing both functionality and appearance. Furthermore, it is effective for deburring drilled holes, ensuring clean edges and preparing surfaces for subsequent operations.

Specifications

  • Manufacturer: Brown Aviation Tool
  • Model Number: CC040
  • Product Name: COUNTERSINK CUTTER #40 x 100 Degree x 1/2"
  • Cutter Angle: 100 Degrees
  • Pilot Size: #40 (.0980)
  • Overall Diameter: 1/2"
  • Flutes: 3
  • Material: High-Speed Steel (HSS)
  • Thread Size: 1/4-28
Only 3 left in stock - order soon

$12.95

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Saturday 11 July, 2026.

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