
NuMax SL31
Score: 82/100
NuMax SFN50
Score: 78/100Rankings

The NuMax SL31 is a versatile pneumatic 3-in-1 finish nailer and stapler designed for finish carpentry and trim work. It features a multi-fastener magazine system and lightweight aluminum construction. Best suited for DIY homeowners and light-duty contractors needing versatility in a single tool.

The NuMax SFN50 is a pneumatic 16-gauge straight finish nailer designed for trim work and decorative fastening, featuring a lightweight die-cast aluminum body and tool-free depth adjustment. Its no-mar tip ensures professional-quality finishes, though it requires a higher SCFM compressor than brad nailers. It is best suited for contractors and furniture makers requiring precise, damage-free fastening.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 2.8 lbsbest | 2.8 lbsbest |
— | 90 nailsbest | |
| ↓ lower better | 60 PSIbest | 70 PSI |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Fastener Compatibility(2) | ||
Nail Gauge | 16/18 | 16 |
Nail Length Range | 0.375-2 | 3/4" - 2" |
Maintenance & Reliability(1) | ||
Jam Clearing | true | Unknown |
Power & Performance(2) | ||
Operating Pressure (PSI) | 60 PSI | 70-110 PSI |
Air Inlet Size | 1/4 inch | 1/4" |
Ergonomics & Build(1) | ||
Housing Material | Aluminum | Die-cast Aluminum |


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

The search results do not provide detailed professional reviewer commentary or specific expert analysis. The product is positioned as a versatile tool for both DIY and light-duty contractor use, with emphasis on its multi-fastener capability and ergonomic design.
Customer ratings indicate generally positive reception with a 4.1 out of 5 stars average based on 22 reviews. Users value the ergonomic design, ease of use, and versatility of the tool for finish work projects.

