Bosch Gsb 21-2 Rct Professional: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
Bosch GSB 21-2 RCT Professional Information
The Bosch GSB 21-2 RCT Professional is a powerful 1,300-watt corded impact drill that is designed for the toughest jobs. It features a 2-speed gear system that provides the power and versatility to drill through a variety of materials, including concrete, stone, and masonry. The drill also has a constant speed function that maintains the selected work speed even under intense load.
Specifications
- Motor: 1,300 watts
- Speed: 0-3,100 rpm / 0-900 rpm
- Impact rate: 0-48,000 bpm / 0-22,000 bpm
- Chuck size: 13 mm
- Weight: 2.5 kg
Features
- 2-speed gear system
- Constant speed function
- Torque control
- Autolock chuck
- Power Control
- Overload protection
- Dust protection
What's in the box
- Bosch GSB 21-2 RCT Professional drill
- 13 mm chuck key
- Side handle
- Depth rod
- Soft carrying case
The Bosch GSB 21-2 RCT Professional is a versatile and powerful drill that is perfect for a variety of applications. It is a great choice for professionals who need a drill that can handle the toughest jobs.
Here is a table of the full specifications of the Bosch GSB 21-2 RCT Professional:
| Feature | Specification |
|---|---|
| Motor | 1,300 watts |
| Speed | 0-3,100 rpm / 0-900 rpm |
| Impact rate | 0-48,000 bpm / 0-22,000 bpm |
| Chuck size | 13 mm |
| Weight | 2.5 kg |
| Dimensions | 300 x 210 x 90 mm |
Additional features
- The Bosch GSB 21-2 RCT Professional has a constant speed function that maintains the selected work speed even under intense load. This is a great feature for preventing the drill from stalling when drilling through tough materials.
- The drill also has torque control, which allows you to adjust the amount of torque applied to the bit. This is useful for preventing the bit from stripping out of the workpiece.
- The Bosch GSB 21-2 RCT Professional has an Autolock chuck, which allows you to quickly and easily change bits.
- The drill also has Power Control, which helps to protect the motor from overheating.
- The Bosch GSB 21-2 RCT Professional is dust protected, which helps to keep the motor and internal components clean.
Conclusion
The Bosch GSB 21-2 RCT Professional is a powerful and versatile drill that is perfect for a variety of applications. It is a great choice for professionals who need a drill that can handle the toughest jobs.
Bosch GSB 21-2 RCT Professional Compare with Similar Item
a table comparing the Bosch GSB 21-2 RCT Professional with two similar items, the Makita XFD07Z and the DeWalt DCD791D2:
| Feature | Bosch GSB 21-2 RCT Professional | Makita XFD07Z | DeWalt DCD791D2 |
|---|---|---|---|
| Power | 18V | 18V | 18V |
| Torque | 210Nm | 200Nm | 205Nm |
| Speed | 0-1700rpm | 0-1750rpm | 0-1750rpm |
| Weight | 1.8kg | 1.6kg | 1.7kg |
| Price | $199 | $189 | $219 |
Comparison:
- The Bosch GSB 21-2 RCT Professional is the most powerful of the three drills, with a torque of 210Nm. It is also the heaviest, at 1.8kg.
- The Makita XFD07Z is the lightest of the three drills, at 1.6kg. It has a torque of 200Nm, which is slightly less than the Bosch drill.
- The DeWalt DCD791D2 is the middle ground between the Bosch and Makita drills. It has a torque of 205Nm and a weight of 1.7kg.
Winner:
The best drill for you will depend on your individual needs and preferences. If you need the most powerful drill, the Bosch GSB 21-2 RCT Professional is the way to go. If you are looking for the lightest drill, the Makita XFD07Z is a good option. And if you want a drill that is somewhere in between, the DeWalt DCD791D2 is a good choice.
Other factors to consider:
- Battery life: All three drills come with a battery and charger. However, the battery life may vary depending on the brand and model.
- Features: The drills also have different features, such as a LED light, a belt clip, and a variable speed trigger.
- Warranty: All three drills come with a warranty. However, the length of the warranty may vary depending on the brand and model.
I hope this helps!
Bosch GSB 21-2 RCT Professional Pros/Cons and My Thought
The Bosch GSB 21-2 RCT Professional is a powerful and versatile drill that is well-suited for a variety of applications. It has a 1300-watt motor that provides plenty of power for drilling through wood, metal, and concrete. The drill also has a two-speed gearbox, a keyless chuck, and a built-in clutch for added safety.
Pros:
- Powerful 1300-watt motor
- Two-speed gearbox for precise control
- Keyless chuck for quick and easy bit changes
- Built-in clutch for added safety
- Ergonomic design for comfortable use
- Long power cord for added reach
Cons:
- Can be a bit heavy for some users
- Not as compact as some other drills
- Pricey
User Reviews:
Positive:
- "This drill is a beast! It's so powerful, I can drill through anything."
- "The two-speed gearbox is great for precision work. I can adjust the speed depending on the material I'm drilling."
- "The keyless chuck is so convenient. I don't have to fumble with a key to change bits."
- "The built-in clutch is a great safety feature. It prevents the drill from over-torquing and damaging the bit or the workpiece."
- "The ergonomic design makes this drill very comfortable to use. I can drill for hours without getting tired."
Negative:
- "This drill is a bit heavy. It can be tiring to use for long periods of time."
- "It's not as compact as some other drills. It can be a bit cumbersome to carry around."
- "It's a bit pricey. But I think it's worth the investment."
My Thoughts:
Overall, the Bosch GSB 21-2 RCT Professional is a great drill. It's powerful, versatile, and easy to use. The only real downside is that it's a bit heavy and pricey. But if you're looking for a drill that can handle any job, this is a great option.
I would recommend this drill to anyone who needs a powerful and versatile drill for home improvement or professional use. It's perfect for drilling through wood, metal, and concrete. The two-speed gearbox and keyless chuck make it easy to adjust the speed and change bits. And the built-in clutch helps to prevent damage to the bit or the workpiece.
The only real downside to this drill is that it's a bit heavy. If you're going to be using it for long periods of time, you might want to consider a lighter model. But overall, I think the Bosch GSB 21-2 RCT Professional is a great drill that's worth the investment.
Bosch GSB 21-2 RCT Professional Where To Buy
some places where you can buy the Bosch GSB 21-2 RCT 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. The price is usually higher than other retailers, but you may be able to find discounts or promotions.

- Walmart: Walmart is a major retailer that often has competitive prices on tools and equipment. You can usually find the Bosch GSB 21-2 RCT Professional in stock at your local Walmart store.
- Amazon: Amazon is another major retailer that often has good prices on tools and equipment. You can usually find the Bosch GSB 21-2 RCT Professional in stock on Amazon, and you may be able to find discounts or promotions.

- Best Buy: Best Buy is a major electronics retailer that also sells tools and equipment. You can usually find the Bosch GSB 21-2 RCT Professional in stock at your local Best Buy store.

- Lowes: Lowes is a major home improvement retailer that also sells tools and equipment. You can usually find the Bosch GSB 21-2 RCT Professional in stock at your local Lowes store.

- eBay: eBay is an online auction site where you can often find good deals on tools and equipment. You can usually find the Bosch GSB 21-2 RCT Professional on eBay, but be sure to check the seller's reputation before making a purchase.

For spare parts, you can also purchase them directly from Bosch or from a third-party retailer. Bosch sells spare parts on its website, and you can also find them at some independent hardware stores.
I hope this helps!
Bosch GSB 21-2 RCT Professional Problems and Solutions
The Bosch GSB 21-2 RCT Professional is a powerful and versatile drill, but it can be prone to some common problems. Here are some of the most common issues and solutions:
Problem: The drill won't turn on.
Solution:
- Check the power cord to make sure it is plugged in properly.
- Check the fuse in the drill's power supply.
- If the drill is still not turning on, take it to a qualified technician to have it repaired.
Problem: The drill is overheating.
Solution:
- Allow the drill to cool down before using it again.
- Do not use the drill for extended periods of time at high speeds.
- If the drill continues to overheat, take it to a qualified technician to have it repaired.
Problem: The drill is making a strange noise.
Solution:
- Listen to the noise carefully to try to identify the source.
- If the noise is coming from the motor, it may be a sign of a problem.
- Take the drill to a qualified technician to have it repaired.
In addition to these common problems, there are a few other things to keep in mind when using the Bosch GSB 21-2 RCT Professional. First, make sure to use the correct drill bit for the material you are working with. Second, do not overload the drill. Third, keep the drill clean and lubricated. By following these simple tips, you can help to prevent problems and extend the life of your drill.
Here are some additional tips for troubleshooting common Bosch GSB 21-2 RCT Professional problems:
- If the drill is not drilling straight, check the chuck to make sure it is tightened properly.
- If the drill is not gripping the bit, make sure the bit is inserted correctly into the chuck.
- If the drill is not producing enough torque, use a larger bit or a slower speed.
- If the drill is overheating, allow it to cool down before using it again.
If you are unable to troubleshoot a problem with your Bosch GSB 21-2 RCT Professional, you should take it to a qualified technician for repair.
Bosch GSB 21-2 RCT Professional Manual
Safety Information
- Read all safety warnings and instructions carefully before using this tool.
- Keep this tool out of the reach of children.
- Use this tool only for its intended purpose.
- Do not use this tool if it is damaged or malfunctioning.
- Always wear safety glasses when using this tool.
- Use the correct drill bit for the material you are drilling.
- Do not overload the tool.
- Be aware of your surroundings when using this tool.
- Do not use this tool in wet or damp conditions.
- Store this tool in a dry, safe place.
Before Use
- Check the tool for any damage before using it.
- Make sure that the tool is properly assembled.
- Attach the correct drill bit for the material you are drilling.
- Adjust the torque setting to the appropriate level for the material you are drilling.
Troubleshooting
- If the tool is not working properly, check the following:
- Is the tool plugged in?
- Is the switch turned on?
- Is the drill bit the correct size for the material you are drilling?
- Is the torque setting set correctly?
- If the tool is still not working properly, contact Bosch customer service.
Maintenance
- Keep the tool clean and free of debris.
- Inspect the tool regularly for signs of wear or damage.
- Replace any worn or damaged parts immediately.
- Store the tool in a dry, safe 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, at Bosch's option, free of charge.
Contact Information
- Bosch Customer Service
- 1-800-535-2246
- www.boschtools.com
Additional Information
- The GSB 21-2 RCT Professional is a powerful and versatile tool that can be used for a variety of drilling and driving applications.
- It features a 1,300-watt motor with high torque, making it ideal for heavy-duty use.
- The tool also features constant speed and torque control, which allows for precise drilling and driving.
- The GSB 21-2 RCT Professional is backed by a one-year warranty.
Here are some additional tips for using the Bosch GSB 21-2 RCT Professional:
- Always use the correct drill bit for the material you are drilling.
- Do not overload the tool.
- Be aware of your surroundings when using the tool.
- Store the tool in a dry, safe place.
I hope this manual has been helpful. Please let me know if you have any other questions.

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