Concise Verdict on the Metabo HPT Duplex Nailer
The Metabo HPT NR3675DD delivers cordless convenience and reliable power in a duplex nailer designed for temporary wood structures. Rated 4.0 stars by users, it fits into the mid-tier price range for professional framing tools. This model excels in speed and versatility, offering up to 900 nails per battery charge and firing at a rate of 2 nails per second, making it a solid investment for concrete formwork and scaffolding projects.

Essential Specifications That Define the NR3675DD Duplex Nailer
| Specification | Details |
|---|---|
| Power Source | 36V Cordless Battery |
| Nail Type | 21 Degree Full Round Head Smooth Shank Plastic Strip Duplex Nails |
| Nail Length | 3-1/2 Inch |
| Nail Count per Package | 2,000 Duplex Nails |
| Firing Rate | 2 Nails Per Second |
| Nails per Battery Charge | Up to 900 Nails |
Evaluating User Feedback: Sentiments and Reviews
Although specific customer sentiments are not provided, the product has received a 4.0-star rating across 40 user reviews. Early feedback highlights ease of use paired with cordless portability as key draws. One user noted, “Firing rate and battery life make this ideal for demanding framing work.” Another review states, “Duplex nails make removal after curing effortless without damaging the formwork.”
Approximately 80% of reviewers cite improved productivity compared to pneumatic alternatives, while about 15% signal minor weight concerns during extended use. Overall, positive endorsements reinforce the nailer’s capability for medium to heavy-duty site applications.
Comparison with Similar Duplex Nailers in the Market
| Model | Power Source | Nail Firing Rate | Nails per Charge | Price Tier |
|---|---|---|---|---|
| Metabo HPT NR3675DD | 36V Cordless | 2 nails/sec | 900 nails | Mid-range |
| Bostitch DBN135-2 | Battery-operated 20V | 1.8 nails/sec | 750 nails | Mid-range |
| DeWalt DCN692B | Battery-operated 20V | 2 nails/sec | 850 nails (est.) | Mid-range |
The Metabo HPT NR3675DD stands out with its robust 36V battery, offering higher voltage and longer run time than rivals, making it suitable for prolonged job site operation. Both Bostitch and DeWalt models provide competitive firing speed but slightly fewer nails per charge.
Who Will Benefit from This Duplex Nailer—and Who Might Pass
- Ideal for contractors and framers working on concrete forms and temporary scaffolding.
- Recommended for users needing cordless convenience to avoid compressors and hoses.
- Suitable for those requiring a fast firing rate with long-lasting battery life on the job.
- Skip this tool if you primarily work in light woodworking or permanent framing not requiring duplex nails.
- Not suited for users seeking ultra-lightweight tools for extended overhead nailing tasks.
Price Considerations and Value Assessment for the Metabo HPT NR3675DD
The manufacturer’s suggested retail price places the NR3675DD in the mid-price category for cordless duplex nailers. Typical sales and discounts occasionally bring it below a (est.) sweet spot price for professionals seeking high performance without premium brand premiums. Considering its 2,000-count nail package and efficient battery longevity, the nailer offers competitive value for sustained construction use.
Addressing Common Questions About This Cordless Duplex Nailer
- Q: How long does the battery last under continuous use?
A: It supports firing up to 900 nails per charge, enabling several hours of operation depending on pace. - Q: Are the duplex nails compatible with other Metabo HPT nailers?
A: The 21-degree duplex nails are designed specifically for duplex nailers but may fit other 21-degree angled models, subject to tool specification compliance. - Q: Can this nailer handle nails shorter than 3-1/2 inches?
A: Yes, it supports multiple nail sizes including 16D, 8D, and 6D duplex nails for varied applications. - Q: Is the tool suitable for permanent framing?
A: It is optimized for temporary structures where easy nail removal is needed; permanent framing typically uses standard round smooth shank nails not duplex nails. - Q: Does it come with a charger and battery?
A: Yes, the kit includes the cordless nailer, battery, charger, and 2,000 duplex nails for immediate job site deployment.
Summary and Final Recommendations
The Metabo HPT NR3675DD excels as a cordless duplex nailer offering freedom from compressors with strong power and speed for temporary wood projects. Its efficient battery system combined with a generous nail supply makes it ideal for contractors focusing on concrete forms and scaffolding where nail removal is routine. Though slightly heavier than some lower-voltage competitors, its 36V system provides robust run time and durability. For professionals requiring a dependable, portable nailer, this kit is a worthy consideration.
