4 Pack 5/16" 3 Flute, "ZrN" Coated Carbide End Mills Compatible with Easy Jig Gen 2, 5d Tactical Jigs

This end mill has a 5/16 inch diameter, 1/2 inch length of cut, and a 1/4 inch reduced shank for router. It features 'Zrn' coating for aluminum and a proprietary geometry designed for aluminum applications.

• The description claims this end mill is a significant upgrade over others.
• The description claims the end mill has a unique geometry extending tool life and eliminating vibration and harmonics.
• The description claims 'Zrn' coating specifically for aluminum adds hardness and lubricity.
• The description claims the end mill is completely compatible with certain jigs.