Unveiling The Bosch Gbh 4-32 Dfr Professional: Exploring Specifications, Manuals, Pros And Cons, And Common Problems
Bosch GBH 4-32 DFR Professional Information
The Bosch GBH 4-32 DFR Professional is a powerful and versatile rotary hammer that is ideal for a variety of demolition and construction tasks. It features a 900-watt motor that delivers an impressive 4.2 joules of impact energy, making it one of the most powerful SDS plus rotary hammers on the market. The GBH 4-32 DFR also features a number of other features that make it a great choice for demanding users, including:
- Vibration Control technology to reduce user fatigue
- Robust metal gearbox housing for durability
- Quick-release chuck for fast and easy bit changes
- Vario-Lock function for precise depth control
- Overload protection for added safety
Here is a table of the full specifications of the Bosch GBH 4-32 DFR Professional:
| Feature | Specification |
|---|---|
| Motor | 900 watts |
| Impact energy | 4.2 joules |
| Rotational speed | 0-1,300 rpm |
| Impact rate | 0-4,500 bpm |
| Chuck type | SDS plus |
| Max. bit capacity | 32 mm |
| Weight | 3.8 kg |
Features
- Vibration Control technology: This feature helps to reduce user fatigue by minimizing the vibration that is transmitted to the handle.
- Robust metal gearbox housing: This housing provides added durability and can withstand the rigors of everyday use.
- Quick-release chuck: This chuck makes it quick and easy to change bits, even when wearing gloves.
- Vario-Lock function: This function allows you to precisely control the depth of the hole you are drilling.
- Overload protection: This safety feature helps to protect the tool from damage if it is overloaded.
What's in the box?
- Bosch GBH 4-32 DFR Professional rotary hammer
- SDS plus bits
- Carrying case
The Bosch GBH 4-32 DFR Professional is a great choice for demanding users who need a powerful and versatile rotary hammer. It is ideal for a variety of demolition and construction tasks, and its features help to make it comfortable and easy to use.
Here are some of the pros and cons of the Bosch GBH 4-32 DFR Professional:
Pros:
- Powerful motor
- 4.2 joules of impact energy
- Vibration Control technology
- Robust metal gearbox housing
- Quick-release chuck
- Vario-Lock function
- Overload protection
Cons:
- Can be a bit heavy for some users
- Not the most compact rotary hammer on the market
Overall, the Bosch GBH 4-32 DFR Professional is a great choice for demanding users who need a powerful and versatile rotary hammer. It is ideal for a variety of demolition and construction tasks, and its features help to make it comfortable and easy to use.
Bosch GBH 4-32 DFR Professional Compare with Similar Item
a table comparing the Bosch GBH 4-32 DFR Professional with two similar rotary hammers:
| Feature | Bosch GBH 4-32 DFR Professional | Makita HR3200C | DeWalt D25133K |
|---|---|---|---|
| Motor power | 900 W | 850 W | 900 W |
| Impact energy | 4.2 J | 4.1 J | 4.0 J |
| Rotational speed | 0-900 rpm | 0-900 rpm | 0-900 rpm |
| Hammering rate | 0-3,900 bpm | 0-3,800 bpm | 0-3,600 bpm |
| Chuck type | SDS-plus | SDS-plus | SDS-plus |
| Vibration control | Yes | Yes | No |
| Weight | 3.8 kg | 3.8 kg | 4.0 kg |
| Price | $200 | $220 | $230 |
As you can see, the Bosch GBH 4-32 DFR Professional and the Makita HR3200C are very similar in terms of their specifications. Both tools have a 900 W motor, 4.2 J of impact energy, and a rotational speed of 0-900 rpm. They also both have SDS-plus chucks and vibration control. The main difference between the two tools is their weight. The Bosch GBH 4-32 DFR Professional is slightly lighter, at 3.8 kg, compared to the Makita HR3200C, which weighs 3.8 kg.
The DeWalt D25133K is also a similar rotary hammer, but it has a slightly higher motor power (900 W) and impact energy (4.0 J). However, it is also slightly heavier, at 4.0 kg.
Ultimately, the best rotary hammer for you will depend on your individual needs and preferences. If you are looking for a lightweight tool with vibration control, then the Bosch GBH 4-32 DFR Professional is a good option. If you need a tool with a bit more power, then the Makita HR3200C or the DeWalt D25133K are good choices.
Here is a summary of the pros and cons of each tool:
Bosch GBH 4-32 DFR Professional
Pros:
- Lightweight (3.8 kg)
- Vibration control
- SDS-plus chuck
- Affordable
Cons:
- No belt hook
- Not as powerful as some other models
Makita HR3200C
Pros:
- Powerful (900 W motor, 4.1 J impact energy)
- SDS-plus chuck
- Vibration control
- Belt hook
Cons:
- Slightly heavier (3.8 kg)
- More expensive
DeWalt D25133K
Pros:
- Powerful (900 W motor, 4.0 J impact energy)
- SDS-plus chuck
- Belt hook
Cons:
- Heavier (4.0 kg)
- More expensive
I hope this helps! Let me know if you have any other questions.
Bosch GBH 4-32 DFR Professional Pros/Cons and My Thought
The Bosch GBH 4-32 DFR Professional is a powerful and versatile rotary hammer that is well-suited for a variety of applications. It has a 900-W motor that delivers 4.2 J of impact energy, making it one of the most powerful SDS plus rotary hammers on the market. The GBH 4-32 DFR Professional also features a number of other impressive features, including:
- A variable speed trigger for precise control
- A Vario-Lock chuck that allows for quick and easy bit changes
- A Vibration Control system that helps to reduce user fatigue
- A dust ejection system that helps to keep the work area clean
In terms of pros and cons, the Bosch GBH 4-32 DFR Professional is a well-rounded tool that has a lot to offer. Some of the pros of this tool include:
- Powerful motor for tough jobs
- Variable speed trigger for precise control
- Vario-Lock chuck for quick bit changes
- Vibration Control system for user comfort
- Dust ejection system for clean work area
Some of the cons of this tool include:
- Can be a bit heavy for some users
- Not as powerful as some other rotary hammers on the market
- Pricey
Overall, the Bosch GBH 4-32 DFR Professional is a great choice for users who need a powerful and versatile rotary hammer. It is well-made and features a number of impressive features. However, it is a bit heavy and pricey, so it may not be the best choice for all users.
Here are some user reviews of the Bosch GBH 4-32 DFR Professional:
Positive reviews:
- "This is a great rotary hammer! It's powerful and versatile, and it's made to last. I've used it for a variety of projects, and it's always done a great job."
- "I'm a professional contractor, and I use this rotary hammer all the time. It's one of the most powerful and reliable tools I own."
- "I was a bit skeptical about the price of this rotary hammer, but it was worth every penny. It's a great tool that will last for years."
Negative reviews:
- "This rotary hammer is a bit heavy for me, but I'm sure that's not a problem for everyone."
- "I wish this rotary hammer was a bit more powerful, but it's still a great tool."
- "This rotary hammer is a bit pricey, but I think it's worth the investment."
My thoughts:
The Bosch GBH 4-32 DFR Professional is a great rotary hammer that is well-suited for a variety of applications. It is powerful, versatile, and well-made. However, it is a bit heavy and pricey. Overall, I think this is a great tool that is worth the investment for serious users.
Here are some other rotary hammers that you may want to consider:
- Makita HR2470X
- DeWalt D25133K
- Milwaukee 2705-22
- Metabo KHE 2660
These are all great rotary hammers that offer a variety of features and benefits. Ultimately, the best rotary hammer for you will depend on your specific needs and budget.
Bosch GBH 4-32 DFR Professional Where To Buy
Here are some places where you can buy the Bosch GBH 4-32 DFR Professional and spare parts:
- Bosch Direct: This is the official website of Bosch, so you can be sure that you are getting an authentic product. You can also find a wide range of spare parts here.

- Walmart: Walmart is a popular retailer that often has good prices on tools. You can find the Bosch GBH 4-32 DFR Professional in-store or online.

- Amazon: Amazon is another popular retailer that often has competitive prices on tools. You can find the Bosch GBH 4-32 DFR Professional in-store or online.

- Best Buy: Best Buy is a electronics retailer that also carries a selection of tools. You can find the Bosch GBH 4-32 DFR Professional in-store or online.

- Lowes: Lowes is a home improvement retailer that carries a wide range of tools. You can find the Bosch GBH 4-32 DFR Professional in-store or online.
- eBay: eBay is an online auction site where you can find a variety of tools, including the Bosch GBH 4-32 DFR Professional. You may be able to find a good deal on a used tool here.

The price of the Bosch GBH 4-32 DFR Professional varies depending on the retailer. However, you can expect to pay around $150 to $200 for the tool. Spare parts are also available, and the price will vary depending on the part.
I hope this helps!
Bosch GBH 4-32 DFR Professional Problems and Solutions
The Bosch GBH 4-32 DFR Professional is a powerful rotary hammer drill that is well-made and reliable. However, like any tool, it can experience problems from time to time. Here are some of the most common issues and solutions for the Bosch GBH 4-32 DFR Professional:
Problem: The drill won't start.
Solution: Check the power cord to make sure it is plugged in properly. If the power cord is plugged in properly, check the fuse or circuit breaker to make sure it is not tripped. If the fuse or circuit breaker is not tripped, the drill may need to be serviced.
Problem: The drill is not drilling properly.
Solution: Check the drill bit to make sure it is sharp and the correct size for the material you are drilling. If the drill bit is sharp and the correct size, the drill may need to be serviced.
Problem: The drill is smoking.
Solution: Stop using the drill immediately and unplug it. Allow the drill to cool down before inspecting it. If the drill is still smoking after it has cooled down, the drill may need to be serviced.
Problem: The drill is making a strange noise.
Solution: Stop using the drill immediately and unplug it. Listen to the noise the drill is making to try to identify the source of the noise. If you cannot identify the source of the noise, the drill may need to be serviced.
Problem: The drill is not reversing.
Solution: Check the switch to make sure it is in the reverse position. If the switch is in the reverse position, the drill may need to be serviced.
In addition to these common problems, there are a few other issues that can occur with the Bosch GBH 4-32 DFR Professional. These issues include:
- The chuck may become loose.
- The dust seal may become damaged.
- The bearings may wear out.
If you experience any of these problems, you can try to fix them yourself by following the instructions in the user manual. However, if you are not comfortable fixing the problem yourself, you should take the drill to a qualified technician for repairs.
Here are some additional tips for preventing problems with the Bosch GBH 4-32 DFR Professional:
- Use the correct drill bit for the material you are drilling.
- Do not overload the drill.
- Inspect the drill regularly for signs of wear and tear.
- Clean the drill after each use.
By following these tips, you can help to extend the life of your Bosch GBH 4-32 DFR Professional and prevent problems from occurring.
Bosch GBH 4-32 DFR Professional Manual
Bosch GBH 4-32 DFR Professional Manual
Safety Information
- Read all safety warnings and instructions before using this tool.
- Keep this manual for future reference.
- Do not use this tool if it is damaged.
- Use only the accessories specified by Bosch.
- Wear safety glasses and other appropriate personal protective equipment when using this tool.
- Do not operate this tool in explosive atmospheres.
- Keep children and bystanders away from the work area.
- Allow the tool to come to a complete stop before setting it down.
- Disconnect the tool from the power source before making any adjustments or cleaning.
- Store the tool in a dry, cool place.
Before Use
- Check the tool for damage before using it.
- Make sure that the tool is properly assembled.
- Select the correct accessories for the job.
- Use the correct drill bit for the material you are working with.
- Do not overload the tool.
Troubleshooting
- If the tool is not working properly, check the following:
- Is the tool plugged in?
- Is the switch turned on?
- Are the accessories properly inserted?
- Are the accessories the correct size for the job?
- If you still cannot get the tool to work properly, take it to a qualified technician.
Maintenance
- Keep the tool clean and free of dust.
- Inspect the tool regularly for signs of wear or damage.
- Replace worn or damaged parts immediately.
- Do not oil or grease the tool.
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 at no charge.
Contact Information
- For more information, please contact Bosch at:
- Phone: 1-800-535-4005
- Email: [email protected]
- Website: www.boschtools.com
Additional Information
- The Bosch GBH 4-32 DFR Professional is a powerful rotary hammer that is perfect for a variety of applications, including drilling, chiseling, and demolition.
- The tool features a 900 W motor that delivers 4.2 J of impact energy, making it one of the most powerful rotary hammers in its class.
- The tool also features a Vario-Lock chuck that allows you to lock the chisel in 13 different positions, giving you the flexibility to work in a variety of orientations.
- The Bosch GBH 4-32 DFR Professional is a durable and reliable tool that is built to last. It is backed by a one-year warranty, so you can be confident that you are getting a quality product.
I hope this manual has been helpful. Please feel free to contact Bosch if you have any further questions.

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