
NuMax SFL618
Score: 75/100
Metabo HPT N4004AB
Score: 88/100Rankings

The Metabo HPT N4004AB is a professional-grade pneumatic flooring stapler designed for hardwood installation, featuring an 18-gauge staple capacity and a lightweight aluminum body. It offers tool-less depth adjustment for both solid and engineered woods, along with a bottom-loading magazine that holds up to 100 staples. Best suited for professional flooring contractors handling high-volume jobs.

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 | 6.35 mm | |
70 psi | 100 psibest | |
100 staplesbest | 100 staplesbest | |
| ↓ lower better | 8.8 lbs | 3.1 lbsbest |
| ↓ lower better | 2.2 cfmbest | — |
| ↓ lower better | 15.5 gaugebest | 18 gauge |
| ↓ lower better | 22.76 inches | 9.31 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 | 100 staples |
Controls & Safety(3) | ||
Depth Adjustment | unknown | true |
Firing Mode | unknown | Sequential |
Exhaust Type | unknown | 360-degree Adjustable |
Fastener Compatibility(3) | ||
Staple Length Range | 1.5-2.0 | 0.5 to 1.5625 |
Staple Crown Width (mm) | 12.7 mm | 6.35 mm |
Staple Gauge (gauge) | 15.5 gauge | 18 gauge |
Air & Power Requirements(1) | ||
Operating Pressure (psi) | 70-110 psi | 100 psi |
Ergonomics & Build(3) | ||
Tool Weight (lbs) | 8.8 lbs | 3.1 lbs |
Handle Type | ergonomic padded | Over-molded Rubber |
Housing Material | aluminum | Aluminum |
Physical Dimensions(1) | ||
Tool Length (inches) | 22.76 inches | 9.31 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 praise the N4004AB as an expertly crafted tool for hardwood flooring installations, highlighting its reliability and versatility for both solid and engineered woods.
Everyday users mirror expert praise regarding the tool's lightweight nature (3.1 lbs) and ease of use, particularly the simple depth adjustment mechanism.
