Thunderhead Fixed Blade Broadhead Set - Micro Grooved Ferrule

In this review the New Archery Products Thunderhead fixed blade broadhead set is evaluated for serious hunters who demand dependable penetration and razor sharp cut on game. The bottom line: this set is best for archers using ultra fast bows who want a fixed blade that flies like a mechanical but keeps the reliability of a solid construction. The Micro Grooved Slimline Ferrule and Diamize sharpened blades are the single biggest reasons to consider these broadheads, since customers report accurate flight and deep penetration on elk and deer.

Key Features

• Thunderhead fixed blade: Strong fixed blade construction reduces the chance of blade failure and ensures consistent performance shot after shot.
• Micro grooved ferrule: The slimline, micro grooved ferrule improves flight stability and penetration for better on-target energy transfer.
• Diamize sharpened blades: Factory Diamize sharpening produces extremely keen edges for aggressive wound channels and fast knockdown power.
• Cutter diameters: Offered in 1 1/8 in for 85 grain and 1 3/16 in for 100 and 125 grain, giving clear choices for different setups and game sizes.
• No lock rings or O-rings: Blade retention does not rely on rings, simplifying assembly and reducing parts that can fail in the field.
• Designed for fast bows: The construction and aerodynamic profile are tuned to perform reliably from high speed arrow setups.

Who It's For

The Thunderhead set is aimed at hunters running modern, high FOC arrows from ultra fast bows who want a fixed blade broadhead that flies predictably and penetrates deeply. It is a good fit for big game hunters targeting deer, elk, and similar species where cutting diameter and durable construction matter.

Those who prefer blunt or expandable designs for practice economy or need variable cutting diameters beyond the listed sizes may want to consider other head styles. Target-only shooters who prioritize low cost per target might find the premium sharpened edges and fixed construction more than required for casual range work.

Pros & Cons

Pros

• Reliable fixed blade design that reduces mechanical failures in the field.
• Micro grooved ferrule and slimline profile enhance flight accuracy and penetration.
• Diamize sharpening yields exceptionally sharp blades that hold an edge through game contact.
• Clear cutter diameter options let hunters choose the right cut size for their needs.

Cons

• Fixed blade construction can be less convenient for practice compared with cheaper, blunt target heads.
• The set is specialized for fast bows and may be overkill for low speed, recreational setups.

Specifications

Brand	New Archery Products
Model	Thunderhead fixed blade broadhead
Grain options	85, 100, 125 grain
Cutting diameter	1 1/8 in (85 grain), 1 3/16 in (100 & 125 grain)
Pack quantity	5 pieces
Blade finish	Diamize sharpened
Warranty	1 year limited warranty

Our Verdict

The Thunderhead fixed blade broadhead set is a strong choice for serious hunters using fast bows who need reliable penetration and cutting performance. Its micro grooved ferrule and Diamize sharpened blades deliver accurate flight and sustained sharpness, making it good value for hunters who demand field-proven, fixed blade performance.

Frequently Asked Questions

Are these broadheads suitable for elk hunting?
Yes, customers report reliable penetration and 100% success on elk and deer when paired with tuned, fast bows.

Do the blades require lock rings or O-rings?
No, the Thunderhead blades do not use lock rings or O-rings to hold the blades in place.

How sharp are the blades out of the box?
The Diamize sharpening process provides factory-level razor sharp edges that are praised for remaining sharp after field use.