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Hitachi NV45AB2 7/8-Inch to 1-3/4-Inch Coil Roofing Nailer (Side Load)

4.4 out of 5 stars 118 customer reviews
| 13 answered questions

Price: $249.00 & FREE Shipping. Details
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  • Tool-less depth of drive adjustment for precision nailing/flush driving
  • 5.5lbs, lightweight and well balanced for easy maneuverability
  • Side loading magazine convenient and easy for quick replenishment
  • Rubber pads help keep nailer from sliding off roof when not in use
  • Pneumatic power feed and return allows tool to operate in the harshest conditions
44 new from $231.91 1 used from $199.95 2 refurbished from $209.95
$249.00 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Hitachi NV45AB2 7/8-Inch to 1-3/4-Inch Coil Roofing Nailer (Side Load)
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Total price: $253.99
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Product Description

Product Description

The NV45AB2's "magazine, depth of drive, and bullet proof design are excellent; you could probably drive an 18-wheeler over this tool and it would still work," Tools of the Trade Magazine, July/August 2005. The 1-3/4" Roofing Nailer is used for various construction works such as the installation of asphalt roofing shingles and the installation of insulation boards. The NV45AB2 has a side load magazine.


Lightweight and durable, the Hitachi NV45AB2 1-3/4-Inch Coil Roofing Nailer stands up to the elements and provides consistently accurate results over the life of the tool. An ideal tool for a variety of construction projects, including installation of asphalt roofing shingles and insulation boards, the NV45AB2 features a high-capacity side-load magazine, depth of drive, durable construction, and more.

A high-capacity magazine and quick-driving design make this roofing nailer top in efficiency.
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NV45AB2 1-3/4-Inch Coil Roofing Nailer
Tool Specifications

Fastener TypeCoil, Wire Collation
Magazine Angle16°
Fastener Length Capacity7/8" x 1-3/4"
Fastener Diameter Range.120
Magazine Capacity120
Magazine LoadingBottom
Air Inlet3/8"
Operating Pressure70-120 psi
Jam ClearingOpen Nose
Depth SettingTool-Less
ActuationContact/Sequential (opt)
Tool Dimensions 9-27/32"x4-5/8"x10-3/8"
Weight5.5 lbs.
All-Weather Nailer You Can Count On
The NV45AB2 has been rigorously tested in the most extreme roofing environments, so you can count on it--no matter what the forecast is. Thanks to a pneumatic-powered nail-feed mechanism that removes dirt and moisture from the nailer, you can be sure this tool will work in any weather.

High-Capacity Magazine and Quick-Driving Capabilities for Efficiency
The NV45AB2 features a side-loading magazine that accepts 120 7/8-inch to 1-3/4-inch-long coiled wire collation nails with 0.120-inch diameters. The air inlet is 3/8 inch, and the ideal operating air pressure is 70-120 psi.

The NV45AB2 has a quick-driving feature that provides maximum efficiency when nailing large areas by allowing the nailer to shoot each time the nose touches the work surface. The large carbide inserts on the nose provide durability and performance during operation.

Designed for Maneuverability
The Hitachi NV45AB2 1-3/4-Inch Coil Roofing Nailer is lightweight at just 5.5 pounds, so it's easy to maneuver while working on a rooftop. Its well-balanced design ensures easy one-handed operation, and the long-lasting non-slip rubber-grip keeps you comfortable and in control. Rubber on the nailer's side allows you to place the tool on a roof without worrying about it sliding off.

The Hitachi NV45AB2 Roofing Nailer measures 9-27/32 x 4-5/8 x 10-3/8 inches (LxWxH). It is backed by Hitachi's five-year limited warranty.

About Hitachi: A Tradition of Innovation
Hitachi Power Tools (Hitachi Koki USA, Ltd.) provides professional-grade power tools for a variety of applications, including woodwork, metalwork, concrete, drilling, cutting, and fastening. Hitachi is a leader in power tool research and development and has achieved many firsts in the power tool industry. Today, Hitachi continues the tradition of innovation and engineering with new features in addition to classic quality.

What's in the Box
NV45AB2 1-3/4-Inch Coil Roofing Nailer, safety glasses, and shingle guide assembly.

Product Information

Technical Details

Part Number NV45AB2
Item Weight 7 pounds
Product Dimensions 6.3 x 13 x 13.4 inches
California residents Click here for Proposition 65 warning
Item model number NV45AB2
Size .87, 1.75
Power Source air-powered
Item Package Quantity 1
Included Components stand
Batteries Included? No
Batteries Required? No
Warranty Description 30 day money back guarantee and 1 year warranty

Technical Specification

Additional Information

Customer Reviews
4.4 out of 5 stars 118 customer reviews

4.4 out of 5 stars
Best Sellers Rank #23,402 in Home Improvements (See top 100)
#4 in Home Improvement > Power & Hand Tools > Power Tools > Nailers & Staplers > Nailers > Roofing Nailers
Shipping Weight 7 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 1, 2008

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Hitachi has long had the best roofing coil nailer on the market with the NV-45AB. This new and improved model actually made the best thing even better. It is very similar to the previous nailer but it offers an easier method to reload coils. Much more durable than any of its competition. I have tried them all. Max, Bostitch, Senco, Paslode. Nothing can surpass the Hitachi!
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I researched several roofing nailers and based my decision on the reviews I read about the Hitachi. I have shingled two roofs so far and have had zero problems. The second roof I did was for a friend and he helped with his Poter Cable nailer. It was picky about the nails that were used, jamed often and had no depth setting. The Hitachi kept plugging along and never missed a beat. The depth setting was crucial for the different situations when installing shingles. After years of hammering nails and seeing other guns in action, I highly recommend the Hitachi NV45AB2.
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I am a part time handyman and a full time enthusiast of quality tools that do the job right the first time. I read reviews, get advice and use friends tools or rentals prior to purchasing. And prior to buying the Hitachi (what an awesome roofing machine) I rented and was sold on the Bostich RN46-1.

The Bostich I rented performed well. It jammed once every coil and I did have to set some of its nails with a hammer, but all in all a good machine. Then there was the one I purchased. This nailer must have slipped past quality control at Bostich. What a peice of doo. This unit jammed evey 10th nail and I was setting every 5th with a hammer. It took what should have been a 20 hour job and turned it into a 40 hour job. What a shame for a product whoes companies reputation for its nailer is very high. So it was at this point I went the path of the Hitachi.

I have only seen and used one other Hitachi in my travels and that was a framing gun. I was impressed with its balance, weight and perfomance. It was this experiance a few years ago and the reviews here on Amazon that led me to the coil roofing nailer NV45AB2.

All I can say is AWESOME! TOTALLY AWESOME (I am a child of the 80's)!! I took the gun out of the box, gave it a few drops of oil and went to town on a roof repair. I used 5 full coils of nails and did not have one jam nor did I have to set any of the nails manually. AWESOME!!! I can't say it enough. Had I gone this route to begin with I would have saved 20 hours on my original job and hundreds of dallars. And the price!!! Amazon has the best price in town ($385 at Home Depot and $325 at Lowes).

Do yourself a favor and buy the Hitachi. Don't let the Bostich name and their market saturation get the best of you. If you want quality and longevity out of your tools, go with Hitachi. AWESOME!!!
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Verified Purchase
I have a bunch of these and they are bulletproof. They work for a really long time (like 7 years full time roofing) with almost no repairs. When you do have to repair them the key wear parts like trigger valves are easy to find and cheap. For example the bostitch trigger valve retails for around 35 bucks the Hitachi ball and o ring for their trigger is about 10 bucks. A word of caution don't buy the light weight model unless you are a complete pansy because it is not nearly as good.
Here are some competitors guns and briefly what I think as I have owned most of them:
Bostitch- big and fat but not bad. Not many pros use them after using a Hitachi.
Porter Cable- When you need to buy parts think of a outrageously high price then double or triple it. Compounded by their bad parts shipping times. You might want to get your gun going in less than 2 weeks if you are using to make money.( they aparently really ticked me off)
Max- excellent tool as good as the Hitachi some may even say better but their parts stock isn't nearly as good. And lets face it if you are going to use the gun much eventually you will need parts.
Makita- When did they start making air tools. Band wagon to the left please.
Dewallet- Part issues anyone ? nice yellow black and Decker.
Paslode- I hate every paslode I have ever tried. Big cheap and a cylinder which is soft and wears like cheap pantyhose. Even the impulse which is a great concept if you didn't have to constantly clean it and send it away to get it fixed because suddenly after you clean it the tool suddenly quits.
If you are looking for a good gun try the Hitachi. I am positive you will like it. (As much as you can like a tool that will make you do a crappy job like roofing).
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My company roofs year around. We have some very fast roofers who put in 50 hours a week. They lay down a huge number of shingles a year. They wear out shingling guns quickly.

The hitachi's run reliably for a year and a half. The hitachi's run reliably for another year after being rebuilt. The hitachi's are then sold. Purchasers are warned that the guns are at the end of their useful life. People do buy them. Some are repeat customers.

The bostiches are clumsy and last about three months before our crew refuses to use them any more.

Hitachi is by far the best gun I have used.

Bostich is not bad for sporatic use.

I have not used any other brands.
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