The NAP Thunderhead is widely recognized as the finest fixed blade broadhead ever created. The sharpest blades. The best quality. More animals have been taken over the years with Thunderheads than any other broadhead.
Its patented micro grooved slimline® 11/32" ferrule greatly increases flight accuracy by channeling the air over the ferrule and deeper penetration power.
The Diamize™ sharpening process creates the sharpest straight edge blades in the industry for massive hemorrhaging and knockdown power for quicker kills.
Features a 1-3/16" cutting diameter. Assembly required. Includes broadhead wrench. Choose 100 or 125 grains. Sold in 5-packs.
What does a micro-grooved broadhead ferrule do? A micro-grooved ferrule uses small channels or grooves on the ferrule surface as part of the broadhead's aerodynamic design. Manufacturers use these features to help manage airflow around the broadhead during flight. Different ferrule designs seek to improve stability, accuracy, and overall broadhead performance while maintaining strength and durability.
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