5 Pack 1/4" 3 Flute, 3/4" LOC, 4" OAL "3rd Generation ZrN" Coated Solid Carbide End Mills
Upgrade "ZrN' Coated Solid Carbide End Mills for 80% AR15 / AR10 / .308 Lower Receiver Jigs. Compatible with Easy Jig™ and many more.
Our End Mills have a unique geometry extending tool life.High performance flutes eliminates vibration and harmonics.
This design allows heavy chip load per tooth, for maximum material removal in aluminum. "ZrN" coating for hardness and lubricity.
"ZrN' Zirconium Nitride Coating? CLICK HERE to see what can it do for you!