Bosch Gkm 18v-50 Professional: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
Bosch GKM 18V-50 Professional Information
The Bosch GKM 18V-50 Professional is a cordless metal circular saw that is designed for quick and precise cutting of metal, particularly cable trays or threaded rods and of steel (ferrous metal). It is compatible with all Bosch Professional 18 V batteries and chargers (Professional 18V system). Also compatible with AMPShare, the multi-brand battery alliance.
Here are the full specifications of the Bosch GKM 18V-50 Professional:
| Feature | Specification |
|---|---|
| Motor | Brushless |
| Voltage | 18 V |
| Cutting capacity | Steel: 50 mm |
| Aluminium: 70 mm | |
| Plastic: 100 mm | |
| Max. saw blade diameter | 136 mm |
| Saw blade arbor | 20 mm |
| Weight | 2.4 kg |
| Noise level | 90 dB(A) |
| Vibration level | 2.5 m/s² |
Here are some of the features of the Bosch GKM 18V-50 Professional:
- Quick and precise cutting: The brushless motor delivers up to 3,500 rpm for fast and precise cutting of metal.
- Nearly spark-free operation: The integrated chip collection box helps to reduce sparks and debris, making for a cleaner and safer work environment.
- Shadow-free cutting: The integrated LED light provides a shadow-free view of the cutting line for accurate cuts.
- Ergonomic design: The optimized grip and lightweight design make the saw easy to control and use in a variety of positions.
- Long battery life: The saw is compatible with all Bosch Professional 18 V batteries, giving you the power to keep working longer.
Here is what's included in the box:
- Bosch GKM 18V-50 Professional metal circular saw
- 136 mm "Standard for Steel" saw blade
- Parallel guide
- Carrying case
The Bosch GKM 18V-50 Professional is a powerful and versatile cordless metal circular saw that is ideal for a variety of professional applications. It is easy to use, produces nearly spark-free cuts, and has a long battery life. If you are looking for a reliable and efficient metal saw, the Bosch GKM 18V-50 Professional is a great option.
Bosch GKM 18V-50 Professional Compare with Similar Item
a table comparing the Bosch GKM 18V-50 Professional with two similar items:
| Feature | Bosch GKM 18V-50 Professional | Amazon Brand - Denali by SKIL 18 V (20 V Max) Circular Saw K | Makita XFD07Z 18V LXT Cordless Metal Cutting Circular Saw |
|---|---|---|---|
| Voltage | 18 V | 18 V | 18 V |
| Cutting depth (90°) | 50 mm | 48 mm | 50 mm |
| Cutting depth (45°) | 32 mm | 28 mm | 35 mm |
| Weight | 2.5 kg | 2.6 kg | 2.8 kg |
| Price | $299.99 | $249.99 | $399.99 |
As you can see, the Bosch GKM 18V-50 Professional has a slightly higher cutting depth than the other two saws, but it is also slightly heavier. It is also the most expensive of the three saws.
The Amazon Brand - Denali by SKIL 18 V (20 V Max) Circular Saw K is the least expensive of the three saws, but it also has the lowest cutting depth. It is also slightly heavier than the Bosch GKM 18V-50 Professional.
The Makita XFD07Z 18V LXT Cordless Metal Cutting Circular Saw is the heaviest of the three saws, but it also has the highest cutting depth. It is also the most expensive of the three saws.
Ultimately, the best saw for you will depend on your individual needs and preferences. If you need a saw with a high cutting depth, the Bosch GKM 18V-50 Professional is a good option. If you are looking for a more affordable saw, the Amazon Brand - Denali by SKIL 18 V (20 V Max) Circular Saw K is a good choice. And if you need a saw with a high cutting depth and are willing to pay a premium, the Makita XFD07Z 18V LXT Cordless Metal Cutting Circular Saw is a good option.
Bosch GKM 18V-50 Professional Pros/Cons and My Thought
The Bosch GKM 18V-50 Professional is a cordless metal circular saw that is designed for professionals who need a powerful and versatile tool for cutting a variety of metals. It is powered by a 18V lithium-ion battery and has a cutting capacity of up to 50mm. The saw features a number of ergonomic and safety features, including an integrated chip collection box, a cutting line indicator, and an LED light.
Pros:
- Powerful and versatile: The GKM 18V-50 Professional can cut a variety of metals, including steel, aluminum, and copper.
- Cordless: The saw is powered by a 18V lithium-ion battery, which gives you the freedom to work without the hassle of cords.
- Ergonomic design: The saw has an ergonomic design that makes it comfortable to use for extended periods of time.
- Safety features: The saw features a number of safety features, including an integrated chip collection box, a cutting line indicator, and an LED light.
Cons:
- Expensive: The GKM 18V-50 Professional is a more expensive saw than some of its competitors.
- Not as powerful as some corded saws: The saw is not as powerful as some corded saws, but it is still powerful enough for most tasks.
- Battery life: The battery life of the saw is not as long as some users would like.
User reviews:
Overall, the Bosch GKM 18V-50 Professional has received positive reviews from users. Many users have praised the saw for its power, versatility, and ergonomic design. However, some users have noted that the battery life is not as long as they would like.
My thoughts:
The Bosch GKM 18V-50 Professional is a great saw for professionals who need a powerful and versatile tool for cutting metal. It is cordless, which gives you the freedom to work without the hassle of cords. The saw is also ergonomically designed, making it comfortable to use for extended periods of time. However, the saw is expensive and not as powerful as some corded saws. Overall, I think the Bosch GKM 18V-50 Professional is a great saw for professionals who need a powerful and versatile tool for cutting metal. However, if you are on a budget or need a saw with more power, you may want to consider a different option.
Here are some additional thoughts I have about the Bosch GKM 18V-50 Professional:
- The saw is easy to use and set up.
- The integrated chip collection box is a great feature that helps to keep your work area clean.
- The cutting line indicator and LED light are helpful for making precise cuts.
- The saw is relatively lightweight and easy to carry around.
- The battery life is not as long as some users would like, but it is still sufficient for most tasks.
Overall, I think the Bosch GKM 18V-50 Professional is a great saw for professionals who need a powerful and versatile tool for cutting metal. It is cordless, which gives you the freedom to work without the hassle of cords. The saw is also ergonomically designed, making it comfortable to use for extended periods of time. However, the saw is expensive and not as powerful as some corded saws. Overall, I think the Bosch GKM 18V-50 Professional is a great saw, but it may not be the best option for everyone.
Bosch GKM 18V-50 Professional Where To Buy
You can buy the Bosch GKM 18V-50 Professional cordless circular saw and spare parts from the following retailers:
- Bosch Direct: Bosch's official website is a great place to buy the saw and spare parts because you can be sure that you are getting genuine Bosch products. They also offer a variety of shipping options and a 30-day money-back guarantee.

- Walmart: Walmart is a great option if you are looking for a good price on the saw. They often have sales and discounts, and you can also use coupons to save money.

- Amazon: Amazon is another great option for finding the saw and spare parts. They have a wide selection of products and prices, and you can often find free shipping deals.

- Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can see the saw in person before you buy it. They also offer a variety of financing options.

- Lowes: Lowes is another good option for finding the saw in a brick-and-mortar store. They often have sales and discounts, and you can also use coupons to save money.

- eBay: eBay is a good option if you are looking for a used or refurbished saw. You can often find great deals on eBay, but be sure to do your research to make sure you are getting a genuine Bosch product.

The current time is 2023-07-04 12:32:01 PST. The prices of the saw and spare parts may vary depending on the retailer.
Bosch GKM 18V-50 Professional Problems and Solutions
Here are some common issues and problems with the Bosch GKM 18V-50 Professional cordless circular saw, along with their solutions:
- The saw is not cutting through material. Make sure that the blade is sharp and properly aligned. If the blade is dull, it will not be able to cut through material effectively. To align the blade, loosen the screws that hold it in place and adjust it until it is parallel to the base of the saw.
- The saw is making a loud noise. This could be a sign that the blade is not properly aligned or that it is damaged. If the blade is not aligned, follow the steps above to adjust it. If the blade is damaged, it will need to be replaced.
- The saw is overheating. This could be a sign that you are overloading the saw or that the motor is not getting enough ventilation. To prevent the saw from overheating, make sure that you are not cutting through material that is too thick or that you are not using the saw for extended periods of time. If the saw is still overheating, even when you are not using it heavily, you may need to have the motor serviced.
- The saw is not charging. Make sure that the battery is properly inserted into the saw and that the charger is plugged in and turned on. If the battery is still not charging, you may need to replace it.
Here are some additional tips for troubleshooting common problems with the Bosch GKM 18V-50 Professional cordless circular saw:
- Check the owner's manual. The owner's manual will contain troubleshooting information specific to your saw.
- Contact Bosch customer support. If you are unable to resolve the problem yourself, you can contact Bosch customer support for assistance.
Here are some general safety tips for using the Bosch GKM 18V-50 Professional cordless circular saw:
- Always wear safety glasses when using the saw.
- Make sure that the saw is turned off and unplugged before making any adjustments.
- Do not use the saw if it is damaged.
- Keep the saw clean and free of debris.
- Store the saw in a safe place when not in use.
Bosch GKM 18V-50 Professional Manual
Bosch GKM 18V-50 Professional Manual
Safety Information
- Read all safety warnings and instructions before using this tool.
- Keep this manual for future reference.
- Use the tool only for its intended purpose.
- Wear safety glasses and other personal protective equipment when using this tool.
- Do not use the tool if it is damaged or malfunctioning.
- Keep children and bystanders away from the work area.
- Do not operate the tool in wet or damp conditions.
- Do not use the tool near flammable materials or liquids.
- Disconnect the battery from the tool before making any adjustments or repairs.
- Store the tool in a safe place when not in use.
Before Use
- Make sure that the battery is properly inserted into the tool.
- Select the correct blade for the material you are cutting.
- Secure the workpiece in a stable position.
- Start the saw and allow it to reach full speed before making the cut.
- Apply light pressure to the saw and make sure that the blade is cutting cleanly.
- Do not force the saw.
- When you are finished cutting, turn off the saw and remove the battery.
Troubleshooting
- If the saw does not start, check the battery charge.
- If the saw is making a strange noise, stop using it immediately and contact Bosch customer service.
- If the saw is not cutting cleanly, check the blade and make sure that it is sharp and properly installed.
Maintenance
- Clean the saw after each use.
- Inspect the saw for any signs of damage.
- Replace any damaged parts immediately.
- Store the saw in a dry, cool place.
Warranty
This tool is warranted to be free from defects in material and workmanship for a period of two years from the date of purchase. If the tool becomes defective during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Bosch Customer Service 1-800-333-8371 www.boschtools.com
Additional Information
- For more information about this tool, please visit the Bosch website or contact Bosch customer service.
- This tool is not intended for use by children.
- Always follow the instructions in this manual.
- Dispose of the tool and battery properly.

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