
Metabo HPT NV45AB2
Score: 88/100
Bhtop CN45N
Score: 78/100Rankings

The Metabo HPT NV45AB2 is a lightweight pneumatic coil roofing nailer designed for high-speed nailing with a 3 nails/sec firing rate and dry-fire lockout. It features a side-loading magazine and tool-less depth adjustment. It is best suited for professional roofers and siding installers who prioritize speed and low weight.

The BHTOP CN45N is a pneumatic 15-degree roofing nailer with a high-capacity magazine and durable aluminum alloy body designed for professional use. It features an extremely low jam rate and heat-treated drive pins, though it lacks verified performance data and operating pressure specifications. Best for professional roofers performing large-scale projects requiring rapid shingle installation.
| Attribute | ![]() | ![]() |
|---|---|---|
1.75 inchesbest | 1.75 inchesbest | |
120 nailsbest | 120 nailsbest | |
120 PSIbest | — | |
| ↓ lower better | 5.5 lbsbest | 7.06 lbs |
180 nails/minbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(2) | ||
Operating Pressure (PSI) (PSI) | 70-120 PSI | PSI |
Air Inlet Size | 3/8" | 1/4" |
Ergonomics & Build(4) | ||
Weight (lbs) | 5.5 lbs | 7.06 lbs |
Housing Material | Aluminum | |
Exhaust Adjustment | true | |
Grip Type | Rubber | TPE |
Controls & Adjustments(2) | ||
Actuation Mode | Sequential/Bump | Sequential/Contact |
Safety Lockout | true | |
Nail Compatibility & Magazine(3) | ||
Nail Gauge | 11 | 15 |
Collation Type | Coil | Wire |
Nail Type | Full Head | 15 Degree |


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

Professional reviewers praise the Metabo HPT NV45AB2 for its power in driving large nails flush, versatility across roofing and siding tasks, and user-friendly mode switching with LED indicators.
Everyday users commonly praise the lightweight design for reducing fatigue during all-day use and appreciate the quick reloads via the side-load magazine.

Professional reviewers and editors have not provided direct feedback for the BHTOP CN45N. However, similar models in its category are characterized as lightweight and durable tools capable of withstanding extreme roofing environments, featuring industrial-grade components like German heat-treated pins designed to minimize jam rates during heavy-duty operations.
There is no available consumer feedback or user testimonials for the BHTOP CN45N. Retail listings highlight its high magazine capacity and broad nail compatibility but lack detailed user experiences regarding long-term reliability or ease of use.

