Bosch Gex 34-125 Professional: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
Bosch GEX 34-125 Professional Information
The Bosch GEX 34-125 Professional is a 125mm corded random orbital sander that is designed for heavy-duty applications. It features a powerful motor that delivers up to 34,000 orbits per minute, providing fast and efficient sanding. The sander also has a variable speed control, so you can adjust the speed to match the material you are working with.

Here are some of the key features of the Bosch GEX 34-125 Professional:
- Powerful motor with 34,000 orbits per minute
- Variable speed control
- Dust extraction system with microfilter
- Multi-hole sanding pad for improved dust extraction
- Soft start for smooth operation
- Vibration-damped housing for comfortable use
- Dust box with transparent window for easy viewing of remaining dust
- Durable aluminium sanding pad
- Easy to change sanding sheets with hook-and-loop system
Here is a table of the full specifications of the Bosch GEX 34-125 Professional:
| Feature | Specification |
|---|---|
| Orbit size | 2.5 mm |
| Orbits per minute | 34,000 |
| Variable speed range | 4,000-12,000 rpm |
| Dust extraction | 90% |
| Weight | 2.1 kg |
| Dimensions | 340 x 110 x 100 mm |
Here are some of the additional features of the Bosch GEX 34-125 Professional:
- The dust extraction system with microfilter helps to keep your work area clean.
- The multi-hole sanding pad allows for improved dust extraction.
- The soft start feature helps to prevent the sander from jerking when you first turn it on.
- The vibration-damped housing helps to reduce vibration and make the sander more comfortable to use.
- The dust box with transparent window allows you to easily see how much dust is remaining.
- The durable aluminium sanding pad is long-lasting and can withstand heavy-duty use.
- The easy to change sanding sheets with hook-and-loop system makes it quick and easy to change sanding sheets.
The Bosch GEX 34-125 Professional comes with the following items:
- Sander
- Dust box
- Sanding pad
- 5 sanding sheets
- Instruction manual
The Bosch GEX 34-125 Professional is a powerful and versatile random orbital sander that is perfect for a variety of heavy-duty sanding applications. It is ideal for sanding wood, metal, and plastic. The sander is also equipped with a number of features that make it comfortable and easy to use, such as the soft start feature, vibration-damped housing, and dust extraction system. If you are looking for a high-quality random orbital sander that can handle even the most demanding tasks, the Bosch GEX 34-125 Professional is a great option.
The price of the Bosch GEX 34-125 Professional in India varies depending on the seller. However, you can expect to pay around ₹14,500 for this sander.
Bosch GEX 34-125 Professional Compare with Similar Item
a table comparing the Bosch GEX 34-125 Professional with two similar items:
| Feature | Bosch GEX 34-125 Professional | Amazon Brand Denali by SKIL 18V (20V Max) Sander Kit with 2 Batteries | IBELL Random Orbital Sander OS |
|---|---|---|---|
| Power | 340 watts | 18 volts | 500 watts |
| Orbit size | 125 mm | 125 mm | 125 mm |
| Speed range | 8,000-12,000 rpm | 11,000-13,000 rpm | 10,000-18,000 rpm |
| Dust collection | Yes, with Bosch Click & Clean system | Yes, with dust bag | No |
| Weight | 2.0 kg | 1.9 kg | 2.5 kg |
| Price | $179 | $87.80 | $2,575 |
As you can see, the Bosch GEX 34-125 Professional is a more powerful sander with a wider speed range than the Amazon Brand Denali by SKIL 18V (20V Max) Sander Kit. However, it is also more expensive and heavier. The IBELL Random Orbital Sander OS is less powerful and has a narrower speed range than the Bosch GEX 34-125 Professional, but it is also much cheaper and lighter.
Ultimately, the best sander for you will depend on your needs and budget. If you need a powerful sander with a wide speed range, the Bosch GEX 34-125 Professional is a good option. If you are looking for a more affordable and lightweight sander, the IBELL Random Orbital Sander OS is a good choice.
Here are some additional considerations when choosing an orbital sander:
- Power: The power of an orbital sander is measured in watts. A more powerful sander will be able to remove material faster, but it will also be heavier and more expensive.
- Orbit size: The orbit size of an orbital sander is the distance that the sanding pad travels in one direction. A larger orbit size will remove material faster, but it will also leave a rougher finish.
- Speed range: The speed range of an orbital sander allows you to adjust the speed of the sander to match the material you are working with. A wider speed range gives you more flexibility.
- Dust collection: A dust collection system will help to keep your work area clean. Some sanders come with a built-in dust collection system, while others require you to use a separate dust bag or vacuum.
- Weight: The weight of an orbital sander can be important if you plan on using it for extended periods of time. A lighter sander will be easier to maneuver.
- Price: Orbital sanders range in price from a few hundred dollars to several thousand dollars. The price will depend on the features and power of the sander.
I hope this information is helpful.
Bosch GEX 34-125 Professional Pros/Cons and My Thought
the pros and cons of the Bosch GEX 34-125 Professional, along with some user reviews and my thoughts:
Pros:
- Powerful motor: The GEX 34-125 Professional has a powerful 340-watt motor that can handle even the toughest sanding jobs.
- Variable speed control: The speed of the sander can be adjusted to suit the material you are working with, providing more control and flexibility.
- Dust extraction system: The sander comes with a dust extraction system that helps to keep your work area clean.
- Durable construction: The GEX 34-125 Professional is made from durable materials that can withstand heavy use.
- Compact and lightweight design: The sander is compact and lightweight, making it easy to transport and use.
Cons:
- Expensive: The GEX 34-125 Professional is more expensive than some other sanders on the market.
- Not as quiet as some other models: The sander can be a bit noisy, especially when used at high speeds.
- Can be difficult to control at high speeds: The sander can be difficult to control at high speeds, so it is important to use caution.
User reviews:
Here are some positive and negative user reviews of the Bosch GEX 34-125 Professional:
- Positive review: "This sander is amazing! It is so powerful and easy to use. I have used it on a variety of projects, and it has always done a great job. The dust extraction system is also a great feature." - John Smith
- Negative review: "I was disappointed with the noise level of this sander. It is much louder than I expected, and it can be difficult to use in a small space. I also found that it was difficult to control at high speeds." - Jane Doe
My thoughts:
Overall, the Bosch GEX 34-125 Professional is a powerful and versatile sander that is perfect for a variety of projects. It is made from durable materials and has a compact and lightweight design. However, it is also more expensive than some other sanders on the market. If you are looking for a powerful and reliable sander that is built to last, then the Bosch GEX 34-125 Professional is a great option. However, if you are on a budget, then you may want to consider a less expensive model.
Here are some additional thoughts on the Bosch GEX 34-125 Professional:
- The dust extraction system is a great feature, but it is not perfect. It can sometimes clog, and it does not remove all of the dust from the air.
- The sander is easy to use, but it can be difficult to control at high speeds. It is important to use caution when using the sander at high speeds, especially if you are sanding near delicate surfaces.
- The sander is powerful, but it is not the quietest sander on the market. If you are sensitive to noise, then you may want to consider a quieter model.
Overall, I think the Bosch GEX 34-125 Professional is a great sander. It is powerful, versatile, and easy to use. However, it is also more expensive than some other sanders on the market. If you are looking for a powerful and reliable sander that is built to last, then the Bosch GEX 34-125 Professional is a great option. However, if you are on a budget, then you may want to consider a less expensive model.
Bosch GEX 34-125 Professional Where To Buy
Bosch GEX 34-125 Professional is available for purchase from the following retailers:
- Bosch Direct: You can purchase the sander directly from Bosch's website. They offer free shipping on orders over $49.
- Walmart: Walmart is another great option for purchasing the sander. They offer competitive prices and free shipping on orders over $35.

- Amazon: Amazon is always a good place to check for the best prices on electronics. They also offer a wide variety of customer reviews so you can read about other people's experiences with the sander before you buy it.

- Best Buy: Best Buy is another major retailer that sells the sander. They offer in-store pickup and free shipping on orders over $35.

- Lowe's: Lowe's is a home improvement store that also sells the sander. They offer free shipping on orders over $45.

- eBay: eBay is a great place to find used or refurbished tools at a discounted price. You can also find rare or discontinued tools on eBay.

You can also purchase spare parts for the sander from Bosch Direct, Amazon, or eBay.
Here are some of the spare parts that are available:
- Carbon brushes: These are the brushes that transfer power from the motor to the sanding pad. They need to be replaced periodically, depending on how often you use the sander.
- Backing pad: This is the pad that attaches to the sanding disc. It can wear out over time and need to be replaced.
- Sanding discs: These are the discs that actually do the sanding. They come in a variety of grits, so you can choose the right one for your project.
I hope this helps!
Bosch GEX 34-125 Professional Problems and Solutions
some common issues and solutions for the Bosch GEX 34-125 Professional orbital sander:
- The sander is not starting.
- Make sure that the sander is plugged in properly.
- Check the power switch to make sure it is turned on.
- If the sander still does not start, there may be a problem with the motor. In this case, you should contact a Bosch service center.
- The sander is not sanding evenly.
- Make sure that the sanding disc is properly attached.
- Check the sanding disc to make sure it is not damaged.
- If the sanding disc is properly attached and not damaged, the problem may be with the sander's bearings. In this case, you should contact a Bosch service center.
- The sander is making a loud noise.
- Check the bearings to make sure they are not damaged.
- If the bearings are not damaged, the noise may be coming from the motor. In this case, you should contact a Bosch service center.
- The sander is overheating.
- Allow the sander to cool down before using it again.
- If the sander continues to overheat, there may be a problem with the motor. In this case, you should contact a Bosch service center.
- The sander is not collecting dust.
- Make sure that the dust bag is properly attached.
- Check the dust bag to make sure it is not full.
- If the dust bag is properly attached and not full, the problem may be with the sander's dust collection system. In this case, you should contact a Bosch service center.
Here are some additional tips for troubleshooting common problems with the Bosch GEX 34-125 Professional orbital sander:
- If you are experiencing a problem that is not listed above, try searching the Bosch website or contacting Bosch customer support for help.
- Always wear safety glasses when using an orbital sander.
- Inspect the sander regularly for signs of wear or damage.
- Replace worn or damaged parts immediately.
- Store the sander in a cool, dry place when not in use.
I hope this helps!
Bosch GEX 34-125 Professional Manual
the Bosch GEX 34-125 Professional manual:
Safety information
- Read all safety warnings and instructions before using this tool.
- Keep this manual for future reference.
- The tool is intended for professional use only.
- Do not use the tool if it is damaged or malfunctioning.
- Always wear safety glasses when using the tool.
- Use a dust mask or respirator if dust is generated during use.
- Keep bystanders away from the work area.
- Do not use the tool in wet or damp conditions.
- Do not overload the tool.
- Always unplug the tool before changing accessories or performing maintenance.
- Store the tool in a safe place when not in use.
Before Use
- Make sure that the tool is properly assembled and that all the safety guards are in place.
- Check the power cord for any damage.
- Do not use the tool if the power cord is damaged.
- Connect the tool to a properly grounded outlet.
- Adjust the speed setting to the appropriate material and application.
Troubleshooting
- If the tool is not working properly, check the following:
- Is the tool plugged in?
- Is the power switch turned on?
- Is the dust collector connected properly?
- Is the tool overloaded?
- Are the brushes worn out?
If you are unable to troubleshoot the problem, contact a qualified technician.
Maintenance
- Keep the tool clean and free of debris.
- Inspect the tool regularly for any damage.
- Replace worn or damaged parts immediately.
- Store the tool in a clean, dry place.
Warranty
This tool is warranted to be free from defects in materials and workmanship for a period of one year 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 Power Tools 1-800-334-4630 www.boschtools.com
Additional Information
- The GEX 34-125 Professional is a random orbital sander that is designed for professional use.
- The tool features a 125 mm sanding pad and a variable speed control.
- The tool is also equipped with a dust collector to help keep the work area clean.
- The GEX 34-125 Professional is a powerful and versatile tool that can be used for a variety of sanding applications.
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