5/16″ High Speed End Mill for Easy Jig® Gen 2

The 5/16″ High Speed End Mill is a custom-designed solid carbide cutting tool specifically engineered for use with the Easy Jig® Gen 2 milling system. This bit features a unique design with a 5/16″ cutting diameter but a reduced 1/4″ shank to fit standard handheld routers, combining the benefit of a larger cutting surface with router compatibility.

Key Features and Specifications

• Diameter: 5/16″ cutting surface to create clean and precise milling pockets.

• Reduced Shank: The upper portion is reduced to 1/4″ diameter for compatibility with common handheld routers.

• Material: Solid carbide construction ensures durability and long tool life.

• Flute Length: Typically designed for optimal chip evacuation and smooth cutting action.

• High-Speed Milling: Optimized for efficient material removal on 80% AR-15, AR-9, and .308 lower receivers.

• Made in the USA: Manufactured domestically to ensure tight quality control.

Usage and Compatibility

This end mill is intended exclusively for Easy Jig® Gen 2 users. It fits handheld routers commonly used in the milling process, allowing operators to produce professional-grade trigger pockets, fire control cavities, and buffer tube wells. The larger 5/16″ cutting diameter helps speed up milling without sacrificing precision or quality.

Benefits

• Enables faster, smoother milling compared to smaller or generic bits.

• Reduced shank ensures compatibility without requiring special router modifications.

• Solid carbide construction offers long-lasting sharpness and resistance to wear even through extended milling projects.

• Improves finish quality and reduces vibration and chatter during milling.

Packaging and Support

Securely packaged to protect the precision cutting surface, this end mill comes with Polymer80USA’s full support, including warranty options and technical assistance for effective use.

Why Choose the 5/16″ High Speed End Mill for Easy Jig® Gen 2?

For builders looking to maximize milling efficiency and finish quality on their Easy Jig® Gen 2 projects, this end mill offers the perfect balance of size, durability, and router compatibility. Its design helps reduce milling time and creates professional results without expensive CNC tooling.