
Bostitch 16-Gauge Crown Stapler
Score: 78/100
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 Bostitch 651S5 is a heavy-duty pneumatic stapler designed for construction applications like sheathing and siding. It features high drive power and tool-free maintenance, making it reliable for tough jobs. However, its weight and limited staple length range make it less ideal for prolonged overhead work or longer fasteners.
| Attribute | ![]() | ![]() |
|---|---|---|
0.438 mm | 6.35 mmbest | |
— | 100 psibest | |
160 staplesbest | 100 staples | |
| ↓ lower better | 4.2 lbs | 3.1 lbsbest |
| ↓ lower better | 16 gaugebest | 18 gauge |
| ↓ lower better | 17.1 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) | 160 staples | 100 staples |
Controls & Safety(1) | ||
Exhaust Type | Rear | 360-degree Adjustable |
Fastener Compatibility(3) | ||
Staple Length Range | 1-2 | 0.5 to 1.5625 |
Staple Crown Width (mm) | 0.4375 mm | 6.35 mm |
Staple Gauge (gauge) | 16 gauge | 18 gauge |
Air & Power Requirements(1) | ||
Operating Pressure (psi) | 70-120 psi | 100 psi |
Ergonomics & Build(3) | ||
Tool Weight (lbs) | 4.2 lbs | 3.1 lbs |
Handle Type | Standard | Over-molded Rubber |
Housing Material | Metal | Aluminum |
Physical Dimensions(1) | ||
Tool Length (inches) | 17.1 inches | 9.31 inches |

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

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.
