
NuMax SFL618
Score: 75/100
Metabo HPT N3804AB3
Score: 88/100Rankings

The Metabo HPT N3804AB3 is a professional-grade narrow crown stapler designed for finish carpentry and cabinetry. It stands out for its lightweight aluminum build and integrated air duster, offering excellent ergonomics. While it lacks specified magazine capacity data, its reliability and precision make it a top choice for finish work.

The NuMax SFL618 is a pneumatic 3-in-1 flooring nailer/stapler designed for installing tongue-and-groove hardwood flooring up to 3/4" thick. It features an aluminum housing and interchangeable no-mar base plates, though it suffers from high air consumption and a semi-quick jam release. It is best suited for DIY homeowners and contractors needing multi-purpose functionality for flooring installation.
| Attribute | ![]() | ![]() |
|---|---|---|
12.7 mmbest | 0.25 mm | |
70 psibest | — | |
100 staplesbest | — | |
| ↓ lower better | 8.8 lbs | 2.3 lbsbest |
| ↓ lower better | 2.2 cfm | 0.025 cfmbest |
| ↓ lower better | 15.5 gaugebest | 18 gauge |
| ↓ lower better | 22.76 inches | 10.1 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Magazine & Capacity(1) | ||
Magazine Capacity (staples) | 100-120 staples | Unknown staples |
Controls & Safety(5) | ||
Depth Adjustment | unknown | true |
Firing Mode | unknown | Selective |
Safety Mechanism | unknown | Contact Trip |
Jam Clearing Mechanism | semi-quick | Standard |
Exhaust Type | unknown | Rear |
Fastener Compatibility(3) | ||
Staple Length Range | 1.5-2.0 | 0.5-1.5 |
Staple Crown Width (mm) | 12.7 mm | 0.25 mm |
Staple Gauge (gauge) | 15.5 gauge | 18 gauge |
Air & Power Requirements(3) | ||
Operating Pressure (psi) | 70-110 psi | 70-120 psi |
Air Consumption (cfm) | 2.2 cfm | 0.025 cfm |
Air Inlet Size | 1/4 in NPT | 1/4-inch NPT |
Ergonomics & Build(3) | ||
Tool Weight (lbs) | 8.8 lbs | 2.3 lbs |
Handle Type | ergonomic padded | Ergonomic |
Housing Material | aluminum | Aluminum |
Physical Dimensions(1) | ||
Tool Length (inches) | 22.76 inches | 10.1 inches |


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

Manufacturer and retailer descriptions emphasize versatility for both professionals and DIYers, highlighting the no-mar base plates for professional results and upgrades like the smaller body and jam release system.
Search results contain no direct consumer reviews, ratings, or testimonials. Product pages highlight common appeals like multi-purpose use and included accessories, but recurring complaints cannot be identified without user feedback data.

Professional reviewers position the Metabo HPT N3804A5 as a pro-grade tool for carpenters, emphasizing its reliability in finish and trim work.
Direct user feedback is limited, but indirect praise highlights consumer appreciation for the lightweight ergonomics and the utility of the integrated air duster.

