COUNTERSINK CUTTER #40 x 100 Degree x 3/ - Brown Aviation Tool

The Brown Aviation Tool CC040-B Countersink Cutter is engineered for professional technicians and mechanics requiring precise, flush fastener installations in critical applications. This robust high-speed steel cutter ensures accurate 100-degree countersinks, promoting optimal seating for screws and rivets where structural integrity and a clean finish are paramount. Its design provides reliable performance for demanding automotive, industrial, and aviation projects.

Key Features

• Accurate 100-Degree Angle: Produces precise conical recesses, critical for achieving flush fastener seating that meets both structural and aesthetic specifications.
• High-Speed Steel (HSS) Construction: Manufactured from high-quality HSS for exceptional wear resistance and extended tool life, supporting rigorous professional use.
• #40 Pilot Size (.0980"): Features a precise #40 pilot to guide the cutter and maintain concentricity, ensuring accurate and consistent hole preparation.
• Three-Flute Design: Engineered with a three-flute design for smooth, efficient cutting action, effectively minimizing chatter and resulting in superior surface finishes.
• Integrated 1/4-28 Threads: Facilitates secure and stable mounting within compatible countersink cages and holders, ensuring reliable and precise operation.

Applications

This professional-grade countersink cutter is essential for applications demanding flush fastener mounting and a pristine finish. It is commonly utilized in metal fabrication, aerospace maintenance, and automotive repair to accurately prepare holes for countersunk screws, rivets, and bolts. The CC040-B ensures fasteners sit flush with or below the surface, crucial for preventing snagging, enhancing structural integrity, and achieving a professional aesthetic. It performs effectively on various materials including metals, plastics, and composites.

Specifications

• Overall Diameter: 3/8"
• Threads: 1/4-28