Hitachi KNR9050A Framing Nailer and Brad Nailer Combo Kit Review

A brad and framing nailer are two of the most important tools for any carpenter’s arsenal, but buying these tools may not prove to be much more expensive. The Hitachi KNR9050A framing and brad nailer combo kit included 2 pneumatic power tools at one extremely affordable price.

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In addition, both pneumatic tools can also bought separately, but will cost you roughly $100 more than the Hitachi KNR9050A framing/brad nailer combo kit. The package of the Hitachi KNR9050A combo kit includes:

Hitachi KNR9050A framing/brad nailer combo kit

  • Hitachi NR90AE Round Head Framing Nailer
  • All accessories of the NR90AE Round Head Framing Nailer
  • Hitachi NT50AE2 18-Gauge Brad Nailer
  • All accessories of the NT50AE2 18-Gauge Brad Nailer

In order to understand the true value of the Hitachi KNR9050A combo kit, we’ve presented a detailed review on the both the pneumatic tools included in the package.

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Hitachi NR90AE Round Head Framing Nailer Review

Hitachi NR90AE Round Head Framing Nailer

Designed for both novice and professionals, the NR90AE Round Head Framing Nailer offers class leading precision and delivers accurate results across a variety of applications.

This framing nailer boasts high air pressure and is capable of delivering the required depth levels to cover a variety of surfaces. It is an ideal tool for wall sheating, floor framing, roof decking, truss and window buildup.

Adding to this, the Hitachi NR90AE Round Head Framing Nailer can also be used for mobile and modular home construction, and any other areas where the need for precision is of the essence.

With the adjustable depth of drive feature, professionals can configure the NR90AE framing nailing to suit their requirements and an easy to load nail gun magazine simply saves valuable time in reloading.

One of the noteworthy advantages of the NR90AE framing nailing tool is that it offers a choice of two different firing methods, and its comfortable handles complete with rounded handles and rubber soles allow you to work easily for prolonged periods of time.

Brought to you by one of the most esteemed brands in the power tool industry, the Hitachi NR90AE Round Head Framing Nailer showcases excellent quality just like the other products in the Hitachi lineup.

For starters, the NR90AE nailer features a round head and compact design, making it easy and comfortable to hold with just one hand. Fact is that most tasks performed by carpenters, modular designers and builders are done in curved regions so this is definitely one of the areas where the NR90AE proves efficient.

Highlights of the NR90AE Framing Nailer

  • Compact and lightweight at just 7.5 lbs
  • Two piece anodized aluminum magazine
  • Tool free depth adjustment
  • Hardened claw tip ergonomic design
  • Non-slip elastomer grip trigger

Furthermore, the ergonomic design combined with a rubber sole grip results in superior control and stability especially when doing tasks that require strong focus. A well balanced tool results in minimal user fatigue so you can rest assured that you will be able to work comfortably over longer periods of time.

Powered by a superior air pressure system, the NR90AE framing nailing tool can easily drill nail sizes between 2” inches – 3-1/2” inches with ultimate precision. Further, the framing nail gun in the Hitachi KNR9050A combo kit is equipped with a two piece anodized aluminum magazine which are two separate parts, making them easy to replace in case of damage.

The NR90AE framing nailer allows you to choose between sequential and bump firing modes, which can be selected on the fly with the flick of a switch. Bump fire mode is ideal for large surface fastening and sequential mode offers unrivalled precision control when stapling.

The capacity of the magazine of the NR90AE nail gun is 64 nails at one time. Weighing in at just 7.5 lbs, the NR90AE framing nailer is sleek and lightweight and is fitted with vibration isolated pads that increase the durability of the tool and magazine.

The two step nail loading system eliminates the need to mandatory lockout when loading the magazine. The angle of the magazine is 21 degrees and the nailer operates with a pressure between 70-120 psi, making it a perfect fit for most air compressors.

The integrated adjustment knob allows users to adjust the depth of drive. Tool free adjustment can be used with the knob located next to the nose of the NR90AE framing nail gun, and all you have to do is turn it half way to modify the depth.

Hitachi NT50AE2 18-Gauge Brad Nailer Review

Hitachi-NT50AE2-18-Gauge-8-Inch-2-Inch nailer

Weighing in at just 2.2 lbs, the Hitachi NT50AE2 18-Gauge brad nail gun is regarded as the lightest brad nailing tool in the market, but is capable of driving 5/8 inch to 2 inch nails with ease. It is an essential part of the Hitachi KNR9050A combo kit simply because it proves handy for a wide range of small carpentry applications.

The package of the NT50AE2 pneumatic brad nailer includes one high capacity magazine, exhaust vent, mounted nose cap, drive depth adjustment, and a user selectable actuation feature to achieve different firing transitions without the use of additional tools.

Highlights of the NT50AE2 Brad Nailer

  • Lightweight at just 2.2 lbs
  • Adjustable knob for drive depth
  • Aluminum body
  • Bottom loading magazine
  • Magazine integrate with nail count indicator
  • Exhaust vent for easy use
  • Two different firing modes
  • Specially designed tool tip to reach tight spots
  • Magazine can hold up to 100 nails

Crafted of aluminum, the Hitachi Brad Nailer is extremely lightweight at 7.5 lbs, making it easy to maneuver and operate. It features a round headed design and is appointed with a rubber grip for superior ergonomic comfort.

Powered by a class leading air pressure system, the NT50AE2 Brad nailing tool arrives with a two piece anodized aluminum magazine, which is easy to clean and replace in the event of damage.

Users can select from sequential firing and bump firing modes given that the Hitachi brad nailer supports selective actuation. Toggling between the two modes can be done with the flick of a switch, where bump fire mode is best suited for large surface fastening and sequential mode is an ideal choice for superior precision when stapling.

Adding to this, the NT50AE2 brad nailer is integrated with an adjustable knob that slows you to control the depth of firing. The knob is located near the nose of the Hitachi brad nailer and offers tool free adjustment by simply turning it half way to modify the depth.

The NT50AE2 nailing gun is fitted with vibration pads that assist in increasing the service life of the magazine, and also provide great relief for user fatigue. The operating pressure required to power the NT50AE2 brad nailer is between 70 – 120 psi, which makes it easy to connect the tool with most air compressors.

Furthermore, the nail gun features a two step nail loading system, where you simply slide the nails into the magazine and pull on the feeder to secure it.

Using the Hitachi NT50AE2 Brad Nailer

In order to use the Hitachi brad nailer efficiently, it is important to connect it with an appropriate power source. Always use clean, regulated air for the nailer, and air compressors used as power sources for the NT50AE2 nail gun must comply with latest safety standard regulations.

Oil or moisture in the air compressor may increase wear and corrosion in the nailer so drain daily. Use a regulator that offers between 0 – 120 psi, and take note that filter regulator lubricator units offer the best conditions for the nailer and simultaneously increase its service life.

With regards to the air hose, it should have a minimum working pressure rating of 150 psi or 150% of the maximum pressure produced in the system, whichever is greater.

With regards to lubricating the nailer, it is crucial to use pneumatic tool lubricant by Hitachi but avoid using detergent or additives. In additional, properly maintaining the NT50AE2 brad nailer during cold weather will add to its longevity, and it is recommended that you store the nailing tool in a warm area until you have to use it.

If the nailing gun is already cold, then allow it to warm up before use by reducing the air pressure to 70 psi, removing all the nails from the nailer and connecting the air hose and free firing the nailer.

When testing the Hitachi NT50AE2 brad nail gun disconnect the air hose form the nailer first, then remove all the nails from the tool, tighten all the screws, ensure the push lever and the trigger are operating smoothly and adjust the air pressure.

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Final Thoughts

The Hitachi KNR9050A framing/brad nailer combo is a great investment for anyone looking to perform a wide range of renovation jobs around the home. It is designed for novice and professionals alike and saves you a significant amount of money when bought together rather than separately.

There are several similar combo kits in the market offered by some of the biggest names in the tooling industry, but after reviewing several of them, the Hitachi KNR9050Acombo kit scores high in terms of value, usability and user reviews.
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