Bostitch RN46
Score: 85/100
MAX SuperRoofer CN445R3
Score: 90/100Rankings
The MAX USA CORP SuperRoofer CN445R3 is a lightweight pneumatic 15° coil roofing nailer designed for driving wire-collated nails up to 1-3/4" with a full round head driver. It features rapid-fire actuation, tool-free depth adjustment, and an 8x more tar-resistant nose compared to conventional tools, making it ideal for high-volume professional roofing and siding applications. The tool is frequently cited as a direct upgrade to the CN445R2, with added benefits like the swivel fitting for better hose management.
The Bostitch RN46-1 is a lightweight pneumatic coil roofing nailer designed for high-volume professional tasks, featuring a patented side-load canister for fast reloading. It delivers exceptional power-to-weight ratio and includes a dry-fire lockout to prevent damage. However, it requires perfect perpendicular alignment to avoid angled nail sets and may cause accidental discharges in tight spaces.
| Attribute | | |
|---|---|---|
1.75 inchesbest | 1.75 inchesbest | |
120 nailsbest | 120 nailsbest | |
— | 120 PSIbest | |
| ↓ lower better | 4.9 lbsbest | 5.6 lbs |
— | 180 nails/minbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Performance(2) | ||
Firing Rate (nails/min) | nails/min | 180 nails/min |
Air Inlet Size | 1/4 in | 1/4 |
Ergonomics & Build(3) | ||
Weight (lbs) | 4.9 lbs | 5.6 lbs |
Housing Material | Aluminum/Magnesium | Aluminum |
Grip Type | Overmold | Standard |
Controls & Adjustments(1) | ||
Dry-Fire Lockout | true | false |
Nail Compatibility & Magazine(3) | ||
Nail Gauge | 11 Gauge | 0.120 |
Collation Type | 15 Degree Wire | Coil |
Nail Type | 15 Degree Wire Coil | Coil |
Products in the top-left offer the best value (high score, low price).
Professional reviewers, including Fine Homebuilding, praise the Bostitch RN46-1 for its exceptional power-to-weight ratio and low recoil. Experts highlight its ability to drive nails flush through thick materials and appreciate job-site features like the zero lockout and precise shingle guide.
Everyday users and contractors generally praise the tool for being lightweight, durable, and fast-reloading. Common themes include time savings from the lockout feature and consistent performance on shingles and insulation.
Professional reviewers and editors consistently praise the CN445R3 as a top-tier roofing nailer, highlighting its lightweight design that outperforms heavier cordless rivals. Experts emphasize its extreme driving power, consistent accuracy, and superior tar resistance, which blocks buildup significantly longer than competitors.
Everyday users and professionals infer high satisfaction based on product demos and pages, noting reliability for daily roofing and siding work. Common praise centers on ease of cleaning and efficient rapid-fire performance.
