
NuMax SFR3490
Score: 74/100
Metabo HPT Pro-Preferred NR90AES1
Score: 92/100Rankings

The Metabo HPT NR90AES1 is a highly reliable pneumatic framing nailer designed for heavy-duty construction, featuring a lightweight 7.5 lb body and a 5-year warranty. Its main trade-off is the need for regular oiling and a compressor, which limits portability compared to cordless options. It is best suited for professional framers and carpenters who prioritize durability and lightweight ergonomics.

The NuMax SFR3490 is a lightweight pneumatic framing nailer featuring a 34-degree clipped head design for accessing tight spaces like joists and trusses. It offers dual-mode firing (bump or sequential), tool-free depth adjustment, and anti-dry-fire protection to enhance safety and reduce fatigue during framing, sheathing, and pallet assembly tasks. It is best suited for DIYers and light professional contractors needing an affordable pneumatic nailer for occasional framing tasks.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 140.8 oz | 120 ozbest |
55 nails | 64 nailsbest | |
3.5 inbest | 3.5 inbest | |
70 psi | 120 psibest | |
| ↓ lower better | 2.4 cfm | 0.09 cfmbest |
34 degbest | 21 deg | |
12 months | 60 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity & Performance(3) | ||
Magazine Capacity (nails) | 55 nails | 64 nails |
Fastener Collation Angle (deg) | 34 deg | 21 deg |
Fastener Type | Clipped Head | Full Round Head |
Support & Warranty(1) | ||
Warranty Length (months) | 12 months | 60 months |
Ergonomics & Build(2) | ||
Tool Weight (oz) | 140.8 oz | 120 oz |
Housing Material | Magnesium | Unknown |
Controls & Operation(1) | ||
Firing Mode | Sequential/Bump | Sequential/Contact |
Power & Compatibility(2) | ||
Operating Pressure (psi) | 70-115 psi | 120 psi |
Air Consumption (cfm) | 2.4 cfm | 0.09 cfm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors lack dedicated reviews for this model. Product marketing emphasizes reliability for both DIYers and light professional contractors, positioning the tool as a budget-friendly alternative to premium brands with a focus on magnesium durability and warranty coverage.
Consumer feedback is sparse but generally positive regarding usability. Users commonly praise the 34-degree angle for tight-space access and the lightweight design for framing tasks. No recurring complaints are detailed, though some note the general size of framing nailers while highlighting this model's angular advantage.




Professional reviewers emphasize the NR90AES1's reliability, durability, and industrial-grade engineering. Experts highlight its selective actuation mechanism for quick mode switching and its ability to handle heavy-duty framing work consistently over years of use.
Everyday users consistently praise the nailer's reliability, noting problem-free operation with minimal maintenance beyond regular oiling. The lightweight design and ease of use are frequently highlighted as reducing fatigue during long workdays.