Mechanical Broadhead Review
Wasp Jak-Hammer Review
A best-selling, all-stainless forward-folding 3-blade that's among the toughest mechanicals ever made.

How it scored
Scored on our fixed 5-part system — built from the consensus of field reports, video tests and hunter feedback. Each axis is an independent 0–10 score. How we score ↗
What we liked
- Among the toughest mechanicals ever made
- Heavy .036-inch blades punch through ribs, scapula, even femur
- Excellent flight with field points to 60-80 yards
- SST cut-on-contact trocar tip starts the cut early
- Heavy, short blood trails within ~75 yards
- Forgiving across a wide range of setups
Where it falls short
- Some O-ring-retention debate on the very fastest crossbows
- Not the widest cut at 1 3/4 inches
- Three-blade design penetrates slightly less than a two-blade
Flight & accuracy
The Jak-Hammer flies with field points out to 60-80 yards, and its forgiving behavior across setups is a big reason it has been a best-seller for decades. The SST cut-on-contact trocar tip steers the arrow cleanly, and the forward-folding blades keep a slim, stable profile in flight.
Long-time users, many with 15-20 years on the head, describe it as a go-to precisely because it does not demand perfect tuning to shoot well. The 75-, 100-, and 125-grain options let hunters match it to their setup for the best accuracy.
Penetration
Penetration is excellent for a mechanical. The 100% stainless build and SST cut-on-contact tip drive the head deep, and the moderate 1 3/4-inch cut keeps energy loss in check. Hunters report passing through ribs, scapula, and in at least one case a femur, which is rare territory for an expandable.
That toughness makes the Jak-Hammer credible on elk as well as deer when energy is adequate, roughly 55-65 ft-lbs for elk. The three-blade design gives up a touch of depth to a two-blade, but the heavy blades and stout ferrule more than compensate on bone.
Durability & edge retention
This is the Jak-Hammer's signature. The .036-inch heavy stainless blades and all-stainless ferrule are among the toughest in any mechanical, surviving hard bone hits that destroy lesser heads. The O-ring forward-folding system has proven reliable over decades of use.
Edge retention is good, and the head frequently comes back reusable after a clean kill. The combination of a roughly 4.7-out-of-5 rating across more than 100 reviews and a long record of hunters trusting it for 15-20 years speaks to durability you can count on.
Blood trail
Blood trails are heavy and short. The three-blade 1 3/4-inch cut plus the cut-on-contact tip opens a generous wound, and because the head penetrates and usually exits, two-hole trails are the norm. Users report deer rarely going more than 75 yards.
It is not the widest cut available, so trails may be slightly less dramatic than a 2-inch head's, but the reliability of getting a full pass-through and two holes makes the practical tracking experience excellent.
Value & who it's for
At around $42 a three-pack, the Jak-Hammer is fairly priced for an all-stainless head with this durability and track record, and it earns our Most Reliable Mechanical nod for delivering consistent results across an enormous range of setups.
It suits nearly everyone: whitetail hunters who want a head they can reuse, elk hunters who need a mechanical that survives bone, and crossbow shooters, with the caveat that some debate exists about O-ring retention on the very fastest crossbows. Hunters who must have the widest possible cut are the only ones likely to look elsewhere.
Specifications
| Brand | Wasp |
|---|---|
| Type | Mechanical |
| Cutting diameter | 1 3/4" |
| Blades | 3 deploying (.036" stainless) |
| Grain options | 75gr, 100gr, 125gr |
| Blade / steel | 100% stainless |
| Ferrule | Stainless steel |
| Pack | 3-pack |
| Approx. price | ~$42 / 3-pack |
| Best for | Whitetail, Elk, Crossbow |
Specs and pricing are approximate and change frequently — confirm with the retailer before buying.
FAQ
Is the Wasp Jak-Hammer good for crossbows?
Yes, it's widely used on crossbows and is among the toughest mechanicals available. Some users debate O-ring retention on the very fastest crossbows, so verify the head closes securely on your setup.
Can the Wasp Jak-Hammer handle bone?
Exceptionally well. Its heavy .036-inch stainless blades and all-stainless ferrule are reported to punch through ribs, scapula, and even a femur, making it one of the toughest mechanicals ever made.
Is the Wasp Jak-Hammer powerful enough for elk?
Yes, with adequate energy of roughly 55-65 ft-lbs. Its deep penetration and bone-crushing durability make it a credible elk mechanical, not just a deer head.
Sources
Sentiment for this review was aggregated from independent tests, hunting forums and retailer reviews, including:


