The Hitachi NR90AE is a 3-1/2" Plastic Collated Strip Framing Nailer designed for professionals and DIY enthusiasts looking for a reliable tool for framing and construction tasks. In this review, we will provide a detailed technical examination of the Hitachi NR90AE to help you make an informed decision.
Technical Specifications
1. Nail Size Compatibility
The Hitachi NR90AE is compatible with round head, plastic collated strip nails ranging from 2 to 3-1/2 inches in length. This versatility allows it to handle a wide range of framing applications, from framing walls to attaching sheathing and subflooring.
2. Magazine Capacity
The magazine of the NR90AE has a generous capacity, allowing you to load up to 64 nails at once. This reduces the frequency of reloading, enhancing productivity on the job.
3. Depth Adjustment
A convenient depth adjustment dial is featured on the nailer. It allows for precise control over nail depth, ensuring that nails are driven to the desired depth without over-penetration or under-driving.
4. Firing Modes
The NR90AE offers both sequential and contact nailing modes. Sequential mode involves pulling the trigger for each nail, ensuring precision. In contact nailing mode, you can hold down the trigger and simply bump the nose against the work surface for rapid, continuous firing.
5. Air Pressure and Consumption
This nailer operates using compressed air, and it is recommended to use an air compressor with an output pressure ranging between 70-120 PSI. The tool’s air consumption is approximately 0.09 CFM (Cubic Feet per Minute at 100 PSI), making it reasonably efficient.
6. Weight and Ergonomics
The Hitachi NR90AE is designed with user comfort in mind. It weighs just 7.5 pounds, which is relatively light for a framing nailer, reducing user fatigue during extended use. Additionally, it features a non-slip elastomer grip, ensuring a secure and comfortable hold.
7. No-Mar Tip
To prevent surface damage, the NR90AE comes equipped with a no-mar tip. This feature is particularly useful when working on delicate materials or finished surfaces.
8. Reload Indicator
The nailer is equipped with a reload indicator, which makes it easy to know when you’re running low on nails, preventing dry firing and potential damage to the tool.
Common Uses
The Hitachi NR90AE is a versatile tool suitable for a range of framing and construction applications:
- Framing: Ideal for framing walls, roofs, and floors.
- Sheathing: Capable of attaching sheathing materials securely.
- Subflooring: Perfect for attaching subflooring with precision.
- Truss Work: Well-suited for assembling trusses.
Maintenance
Proper maintenance is key to the longevity of your NR90AE. Regularly lubricate the tool using pneumatic tool oil to ensure smooth operation and prevent wear. Additionally, clear any jammed nails promptly and keep the tool clean and free from debris.
In conclusion, the Hitachi NR90AE is a powerful and versatile framing nailer suitable for both professional contractors and DIY enthusiasts. With its wide nail size compatibility, ease of use, and thoughtful features, it’s a reliable tool for framing and construction projects. Whether you’re building a house or working on smaller projects, the NR90AE is a dependable choice that offers consistent performance.