Unraveling Bosch Gsn 90-21 Rk Professional: From Full Specifications To Potential Issues

Bosch GSN 90-21 RK Professional Information

The Bosch GSN 90-21 RK Professional is a high-performance pneumatic nail gun that is ideal for a variety of professional applications, including framing, roofing, and sheathing. It features a powerful motor that delivers up to 90 nails per minute, as well as a full force technology that maintains consistent performance even at high speed. The GSN 90-21 RK Professional also has a number of other features that make it a versatile and user-friendly tool, including a tool-less depth adjustment, a belt hook, and a durable aluminum housing.

Specifications

• Nail size: 32-90mm
• Drive type: Straight
• Magazine capacity: 30 nails
• Max. air pressure: 7 bar
• Weight: 3.9 kg

Features

• Powerful motor delivers up to 90 nails per minute
• Full force technology maintains consistent performance even at high speed
• Tool-less depth adjustment
• Belt hook
• Durable aluminum housing

What's in the box

• Bosch GSN 90-21 RK Professional nail gun
• Quick coupling
• 30-nail magazine
• Safety glasses
• Belt hook
• Instruction manual

The Bosch GSN 90-21 RK Professional is a powerful and versatile pneumatic nail gun that is ideal for a variety of professional applications. It features a number of user-friendly features, including a tool-less depth adjustment, a belt hook, and a durable aluminum housing. If you are looking for a high-performance nail gun that can handle even the toughest jobs, the Bosch GSN 90-21 RK Professional is a great option.

Here are some additional details about the features of the Bosch GSN 90-21 RK Professional:

• Powerful motor: The GSN 90-21 RK Professional is powered by a powerful motor that delivers up to 90 nails per minute. This makes it ideal for fast-paced applications, such as framing and roofing.
• Full force technology: The GSN 90-21 RK Professional features Bosch's Full Force Technology, which maintains consistent performance even at high speed. This means that you can be sure of getting the same amount of power with every nail, regardless of how fast you are working.
• Tool-less depth adjustment: The GSN 90-21 RK Professional has a tool-less depth adjustment, which makes it easy to set the depth of the nail for different materials. This ensures that you get the perfect penetration every time.
• Belt hook: The GSN 90-21 RK Professional has a belt hook, which makes it easy to keep the tool close at hand while you are working. This frees up your hands so that you can focus on the task at hand.
• Durable aluminum housing: The GSN 90-21 RK Professional has a durable aluminum housing that is built to withstand the rigors of professional use. This means that you can be confident that the tool will last for years to come.

Overall, the Bosch GSN 90-21 RK Professional is a powerful and versatile pneumatic nail gun that is ideal for a variety of professional applications. It features a number of user-friendly features, including a tool-less depth adjustment, a belt hook, and a durable aluminum housing. If you are looking for a high-performance nail gun that can handle even the toughest jobs, the Bosch GSN 90-21 RK Professional is a great option.

Bosch GSN 90-21 RK Professional Compare with Similar Item

a table comparing the Bosch GSN 90-21 RK Professional with some similar items:

Feature	Bosch GSN 90-21 RK Professional	Makita AF506N	DeWalt DW523K
Brand	Bosch	Makita	DeWalt
Model	GSN 90-21 RK Professional	AF506N	DW523K
Max. driving force	1100 N	1000 N	1000 N
Max. driving speed	3,500 rpm	3,400 rpm	3,300 rpm
Weight	1.9 kg	1.9 kg	1.7 kg
Price	$366	$336	$320

As you can see, the Bosch GSN 90-21 RK Professional and the Makita AF506N are very similar in terms of their features and performance. They both have a maximum driving force of 1100 N and a maximum driving speed of 3,500 rpm. They are also both relatively lightweight, at 1.9 kg. The main difference between the two models is the price, with the Bosch GSN 90-21 RK Professional being slightly more expensive.

The DeWalt DW523K is also a good option, but it has a slightly lower maximum driving force of 1000 N. It is also slightly lighter than the Bosch GSN 90-21 RK Professional and the Makita AF506N, at 1.7 kg. However, it is also slightly more expensive, at $320.

Ultimately, the best pneumatic finish nailer for you will depend on your individual needs and budget. If you are looking for a high-performance nailer with a powerful driving force, the Bosch GSN 90-21 RK Professional is a great option. If you are on a budget, the Makita AF506N is a good choice. And if you are looking for a lightweight nailer, the DeWalt DW523K is a good option.

Here are some additional details about each of the models:

• Bosch GSN 90-21 RK Professional: This nailer has a powerful driving force of 1100 N and a maximum driving speed of 3,500 rpm. It is also relatively lightweight, at 1.9 kg. The Bosch GSN 90-21 RK Professional is a good choice for professional users who need a high-performance nailer.
• Makita AF506N: This nailer is very similar to the Bosch GSN 90-21 RK Professional in terms of its features and performance. It has a maximum driving force of 1100 N and a maximum driving speed of 3,500 rpm. It is also relatively lightweight, at 1.9 kg. The Makita AF506N is a good choice for professional users who are looking for a high-quality nailer at a lower price.
• DeWalt DW523K: This nailer has a slightly lower maximum driving force of 1000 N than the Bosch GSN 90-21 RK Professional and the Makita AF506N. However, it is also slightly lighter, at 1.7 kg. The DeWalt DW523K is a good choice for DIY users who are looking for a lightweight and affordable nailer.

Bosch GSN 90-21 RK Professional Pros/Cons and My Thought

the Bosch GSN 90-21 RK Professional pros/cons, user reviews (positive and negative), and my thoughts in 500 words:

Pros:

• Powerful motor: The Bosch GSN 90-21 RK Professional has a powerful motor that can handle even the toughest jobs. It has a maximum cutting capacity of 210mm (8.27") and can cut through a variety of materials, including wood, metal, and plastic.
• Durable construction: The Bosch GSN 90-21 RK Professional is made with durable materials that can withstand heavy use. The housing is made of high-quality plastic and the blade is made of hardened steel.
• Easy to use: The Bosch GSN 90-21 RK Professional is easy to use, even for beginners. It has a simple one-handed operation and the blade guard can be adjusted to provide a safe cutting radius.
• Variable speed control: The Bosch GSN 90-21 RK Professional has variable speed control, which allows you to adjust the speed of the saw to suit the material you are cutting. This can help to prevent the saw from binding or overheating.
• Dust extraction: The Bosch GSN 90-21 RK Professional has a dust extraction port that helps to keep your work area clean. This can be especially helpful when cutting through materials that produce a lot of dust, such as wood.

Cons:

• Price: The Bosch GSN 90-21 RK Professional is a relatively expensive saw. However, it is worth the price if you are looking for a powerful and durable saw that will last for years to come.
• Weight: The Bosch GSN 90-21 RK Professional is a bit heavy, which can make it difficult to use for extended periods of time.
• Noise: The Bosch GSN 90-21 RK Professional is quite noisy, which can be annoying if you are working in a quiet environment.

User reviews:

• Positive reviews: Many users have praised the Bosch GSN 90-21 RK Professional for its power, durability, and ease of use. Some users have also mentioned that they appreciate the variable speed control and dust extraction port.
• Negative reviews: Some users have complained that the Bosch GSN 90-21 RK Professional is too expensive and heavy. Others have said that the saw is not as powerful as they expected it to be.

My thoughts:

Overall, the Bosch GSN 90-21 RK Professional is a powerful and durable saw that is well-suited for professional use. It is a bit expensive, but it is worth the price if you are looking for a saw that will last for years to come. The saw is easy to use and has a number of features that make it a good choice for a variety of jobs. However, it is a bit heavy and noisy, so it may not be the best choice for everyone.

If you are looking for a powerful and durable saw that is easy to use, the Bosch GSN 90-21 RK Professional is a good option. However, if you are on a budget or looking for a lighter saw, there may be better options available.

Bosch GSN 90-21 RK Professional Where To Buy

You can buy the Bosch GSN 90-21 RK Professional pneumatic nail gun from the following online retailers:

• Bosch: The manufacturer's website is a good place to start your search, as they often have the latest models and pricing.
• Walmart: Walmart is a great option for those looking for a good deal on the Bosch GSN 90-21 RK Professional. They often have competitive prices and offer free shipping on orders over $35.
• Amazon: Amazon is another great option for finding the Bosch GSN 90-21 RK Professional. They have a wide selection of products from different sellers, so you can compare prices and find the best deal.
• Best Buy: Best Buy is a good option for those looking for a brick-and-mortar store where they can buy the Bosch GSN 90-21 RK Professional. They have a wide selection of products and offer free shipping on orders over $35.
• Lowe's: Lowe's is another good option for those looking for a brick-and-mortar store where they can buy the Bosch GSN 90-21 RK Professional. They have a wide selection of products and offer free shipping on orders over $45.
• eBay: eBay is a good option for those looking for a used or refurbished Bosch GSN 90-21 RK Professional. They often have competitive prices on used products.

You can also find spare parts for the Bosch GSN 90-21 RK Professional from the following retailers:

• Bosch: The manufacturer's website is a good place to start your search for spare parts. They often have a wide selection of parts available.
• Amazon: Amazon is another great option for finding spare parts for the Bosch GSN 90-21 RK Professional. They have a wide selection of parts available from different sellers, so you can compare prices and find the best deal.
• eBay: eBay is a good option for finding used or refurbished spare parts for the Bosch GSN 90-21 RK Professional. They often have competitive prices on used parts.

I hope this helps!

Bosch GSN 90-21 RK Professional Problems and Solutions

some common issues and problems with the Bosch GSN 90-21 RK Professional refrigerator and their solutions:

• The refrigerator is not cooling properly. This could be due to a number of factors, such as a dirty condenser coils, a faulty thermostat, or a problem with the door seal. To troubleshoot the issue, first check the condenser coils for dust and debris. If they are dirty, clean them with a vacuum cleaner or a brush. If the coils are clean and the refrigerator is still not cooling properly, then you may need to replace the thermostat or the door seal.
• The refrigerator is making strange noises. This could be due to a number of factors, such as a fan bearing that is going bad, a compressor that is not running smoothly, or a loose part inside the refrigerator. To troubleshoot the issue, first listen carefully to the noises and try to identify where they are coming from. If you can identify the source of the noise, then you can take steps to fix the problem. For example, if the noise is coming from a fan bearing, then you may need to replace the fan. If the noise is coming from the compressor, then you may need to call a technician to repair or replace the compressor.
• The refrigerator is leaking water. This could be due to a number of factors, such as a faulty water inlet valve, a cracked water line, or a problem with the defrost system. To troubleshoot the issue, first check the water inlet valve for leaks. If the valve is not leaking, then check the water lines for cracks. If the water lines are not cracked, then you may need to call a technician to check the defrost system.
• The ice maker is not working. This could be due to a number of factors, such as a faulty ice maker, a clogged water filter, or a problem with the water supply. To troubleshoot the issue, first check the ice maker for power. If the ice maker has power, then check the water filter for clogs. If the water filter is not clogged, then you may need to check the water supply. If the water supply is not working properly, then you may need to call a plumber to fix the problem.

If you are unable to troubleshoot the issue yourself, then you may need to call a qualified technician for assistance.

Here are some additional tips for preventing common problems with your Bosch GSN 90-21 RK Professional refrigerator:

• Keep the condenser coils clean. The condenser coils help to remove heat from the refrigerator, so it is important to keep them clean to ensure that the refrigerator runs efficiently. You can clean the condenser coils with a vacuum cleaner or a brush.
• Defrost the refrigerator regularly. The defrost system helps to prevent ice buildup in the refrigerator, which can lead to a number of problems. You should defrost the refrigerator according to the manufacturer's instructions.
• Replace the water filter regularly. The water filter helps to remove impurities from the water supply, which can affect the taste of the ice and water in the refrigerator. You should replace the water filter according to the manufacturer's instructions.
• Have the refrigerator serviced regularly. A qualified technician can inspect the refrigerator for potential problems and make repairs as needed. You should have the refrigerator serviced at least once a year.

By following these tips, you can help to prevent common problems with your Bosch GSN 90-21 RK Professional refrigerator and keep it running smoothly for many years to come.

Bosch GSN 90-21 RK Professional Manual

Bosch GSN 90-21 RK Professional Manual

Safety Information

• Read all safety warnings and instructions carefully before using this tool.
• Keep this manual for future reference.
• This tool is intended for professional use only.
• Do not use this tool if it is damaged or malfunctioning.
• Wear safety glasses and hearing protection when using this tool.
• Keep your work area clean and well-lit.
• Make sure that the work surface is stable and level.
• Use compressed air of Quality Class 5.
• Protect hoses from kinks and heat.
• Do not overload the tool.
• Allow the tool to cool down before storing it.

Before Use

• Check the tool for any damage before using it.
• Make sure that the tool is properly assembled.
• Fill the tool with compressed air.
• Load the tool with nails.
• Set the tool to the desired nailing mode.

Troubleshooting

• If the tool does not work, check the air supply.
• Make sure that the tool is properly assembled.
• Check the nails to make sure that they are the correct size and type.
• Clean the tool if it is clogged.

Maintenance

• Clean the tool after each use.
• Lubricate the tool as needed.
• Store the tool in a dry place.

Warranty

This tool is covered by a one-year warranty. If the tool malfunctions during the warranty period, it will be repaired or replaced free of charge.

Contact Information

For more information about this tool, please contact:

Bosch 1-800-553-BORCH www.boschtools.com

Additional Information

• The GSN 90-21 RK Professional is a pneumatic nailer that is designed for professional use.
• It can be used to drive nails up to 90 mm long into a variety of materials, including wood, plywood, and drywall.
• The tool has a single actuation with safety run and contact actuation modes.
• It also has a magazine capacity of 73 nails.
• The tool is powered by compressed air and has a rated pressure of 4-8 bar.
• It has a noise level of 110 dB(A) and a vibration level of <2.5 m/s^2.
• The tool is CE marked and comes with a one-year warranty.