Bosch Gsb 21-2 Re Professional: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

Bosch GSB 21-2 RE Professional Information

The Bosch GSB 21-2 RE Professional is a powerful and versatile impact drill that is ideal for a wide range of applications. It features a 1100-watt motor that delivers high torque for drilling through tough materials, as well as a hammer mechanism that provides powerful impact for breaking through concrete and masonry. The drill also has a variable speed trigger for precise control, and a reversible switch for driving screws.

Image of Bosch GSB 21-2 RE Professional impact drill

Here is a table of the full specifications of the Bosch GSB 21-2 RE Professional:

SpecificationValue
Motor power1100 watts
Max. drilling capacity in wood30 mm
Max. drilling capacity in steel13 mm
Max. drilling capacity in concrete21 mm
Impact rate0-48,000 bpm
Variable speed0-2,800 rpm
Weight2.1 kg

Features of the Bosch GSB 21-2 RE Professional:

  • Powerful 1100-watt motor delivers high torque for drilling through tough materials
  • Hammer mechanism provides powerful impact for breaking through concrete and masonry
  • Variable speed trigger for precise control
  • Reversible switch for driving screws
  • Keyless chuck for easy bit changes
  • Sturdy metal gear housing for durability
  • Long lifetime thanks to overload protection

What's in the box:

  • Bosch GSB 21-2 RE Professional impact drill
  • Keyless chuck
  • Auxiliary handle
  • Depth stop
  • Carrying case

The Bosch GSB 21-2 RE Professional is a great choice for anyone who needs a powerful and versatile impact drill. It is ideal for a wide range of applications, including drilling through wood, steel, and concrete, as well as driving screws. The drill is also well-made and durable, so you can be sure that it will last for many years to come.

Here are some additional pros and cons of the Bosch GSB 21-2 RE Professional:

Pros:

  • Powerful motor
  • Hammer mechanism
  • Variable speed
  • Reversible switch
  • Keyless chuck
  • Sturdy metal gear housing
  • Long lifetime

Cons:

  • Can be a bit heavy for some people
  • Not the best for delicate work

Overall, the Bosch GSB 21-2 RE Professional is a great choice for anyone who needs a powerful and versatile impact drill. It is well-made and durable, and it comes with a variety of features that make it ideal for a wide range of applications.

Bosch GSB 21-2 RE Professional Compare with Similar Item

a table comparing the Bosch GSB 21-2 RE Professional with two similar items:

FeatureBosch GSB 21-2 RE ProfessionalBosch GSB 20-2 REBosch GSR 18V-50
Power1100 W800 W550 W
Torque85 Nm60 Nm40 Nm
Chuck size1.5-13 mm1.5-10 mm1.5-10 mm
Speed range0-500/2100 rpm0-450/1700 rpm0-400/1600 rpm
Weight2.7 kg2.5 kg2.1 kg
Price$150$120$100

As you can see, the Bosch GSB 21-2 RE Professional is the most powerful drill in this comparison, with a maximum torque of 85 Nm. It also has the largest chuck size, at 1.5-13 mm. However, it is also the heaviest drill, at 2.7 kg.

The Bosch GSB 20-2 RE is a slightly less powerful drill, with a maximum torque of 60 Nm. It is also lighter, at 2.5 kg. However, it has a smaller chuck size, at 1.5-10 mm.

The Bosch GSR 18V-50 is a cordless drill, so it is more portable than the other two drills. However, it is also less powerful, with a maximum torque of 40 Nm.

Ultimately, the best drill for you will depend on your needs. If you need a powerful drill for heavy-duty applications, then the Bosch GSB 21-2 RE Professional is a good choice. If you need a lighter drill for more general-purpose use, then the Bosch GSB 20-2 RE is a good option. And if you need a cordless drill, then the Bosch GSR 18V-50 is a good choice.

Here is a summary of the pros and cons of each drill:

DrillProsCons
Bosch GSB 21-2 RE Professional* Most powerful drill in this comparison * Largest chuck size * Durable metal gear housing* Heaviest drill in this comparison * Not cordless
Bosch GSB 20-2 RE* Less powerful than the GSB 21-2 RE Professional * Lighter than the GSB 21-2 RE Professional * Smaller chuck size* Not as durable as the GSB 21-2 RE Professional
Bosch GSR 18V-50* Cordless * More portable than the other two drills * Less powerful than the other two drills* Not as powerful as the GSB 21-2 RE Professional or GSB 20-2 RE

I hope this helps!

Bosch GSB 21-2 RE Professional Pros/Cons and My Thought

The Bosch GSB 21-2 RE Professional is a powerful and versatile impact drill that is well-suited for a variety of DIY and professional applications. It features a 1100-watt motor that delivers up to 51,000 impact blows per minute, making it capable of drilling through even the toughest materials. The drill also has a variable speed control and a clutch that prevents the bit from binding, ensuring precise and safe operation.

Here are some of the pros and cons of the Bosch GSB 21-2 RE Professional:

Pros:

  • Powerful motor
  • Variable speed control
  • Clutch for preventing bit binding
  • Keyless chuck for quick bit changes
  • Ergonomic design with soft-grip handle
  • Durable construction

Cons:

  • No LED work light
  • Can be a bit heavy for some users

Here are some user reviews of the Bosch GSB 21-2 RE Professional:

Positive reviews:

  • "This drill is a beast! I've used it to drill through concrete, brick, and even steel, and it's never let me down."
  • "The variable speed control is really nice, and the clutch prevents the bit from binding, which is a lifesaver."
  • "The ergonomic design makes this drill really comfortable to use, even for extended periods of time."

Negative reviews:

  • "I wish it had an LED work light."
  • "It's a bit heavy for me, but I'm not a big guy."

Overall, the Bosch GSB 21-2 RE Professional is a well-made and powerful impact drill that is a good choice for both DIYers and professionals. It is a bit heavy for some users, and it does not have an LED work light, but these are minor drawbacks. The drill's powerful motor, variable speed control, and clutch make it a versatile and safe tool that can handle a variety of drilling tasks.

My thoughts:

I think the Bosch GSB 21-2 RE Professional is a great drill. It's powerful, versatile, and well-made. I especially like the variable speed control and the clutch, which make it a safe and easy tool to use. The only downside is that it's a bit heavy, but that's not a big deal for me. Overall, I highly recommend this drill to anyone who needs a powerful and versatile impact drill.

Bosch GSB 21-2 RE Professional Where To Buy

some places where you can buy the Bosch GSB 21-2 RE Professional drill and spare parts:

  • Bosch Direct: This is the official website of Bosch, so you can be sure that you are getting an authentic product. They also offer a variety of spare parts for the drill. Image of Bosch Direct website
  • Walmart: Walmart is a major retailer that carries a wide variety of tools, including the Bosch GSB 21-2 RE Professional drill. They also offer competitive prices. Image of Walmart website
  • Amazon: Amazon is another major retailer that sells the Bosch GSB 21-2 RE Professional drill. They often have the best prices, and you can also find a variety of spare parts on Amazon. Image of Amazon website
  • Best Buy: Best Buy is a major electronics retailer that also sells power tools. They carry the Bosch GSB 21-2 RE Professional drill, and you can also find a variety of spare parts at Best Buy. Image of Best Buy website
  • Lowes: Lowes is a major home improvement retailer that sells a variety of power tools, including the Bosch GSB 21-2 RE Professional drill. They also offer competitive prices on spare parts. Image of Lowes website
  • eBay: eBay is an online auction site where you can find a variety of Bosch GSB 21-2 RE Professional drills and spare parts. You may be able to find a good deal on eBay, but be sure to do your research before you buy. Image of eBay website

I hope this helps!

Bosch GSB 21-2 RE Professional Problems and Solutions

The Bosch GSB 21-2 RE Professional is a powerful drill that is designed for heavy-duty use. However, like any power tool, it can experience some common issues. Here are some of the most common problems and solutions for the Bosch GSB 21-2 RE Professional:

Problem: The drill may not turn on.

Solution:

  1. Check the power cord to make sure it is plugged in properly.
  2. Check the fuse to make sure it is not blown.
  3. If the power cord and fuse are okay, then the problem may be with the drill's motor. In this case, you will need to take the drill to a qualified technician for repairs.

Problem: The drill may not drill properly.

Solution:

  1. Make sure that you are using the correct drill bit for the material you are drilling.
  2. Check the drill bit to make sure that it is sharp.
  3. If the drill bit is sharp and you are using the correct drill bit for the material, then the problem may be with the drill's chuck. In this case, you will need to tighten the chuck or replace it.

Problem: The drill may overheat.

Solution:

  1. Allow the drill to cool down before using it again.
  2. If the drill continues to overheat, then you may need to replace the carbon brushes.

Additional Tips:

  • To prevent the drill from overheating, make sure that you are not using it for extended periods of time.
  • If you are drilling through concrete or other hard materials, use a drill bit that is designed for those materials.
  • Keep the drill clean and free of debris.

I hope this helps!

Bosch GSB 21-2 RE Professional Manual

Safety Information

  • Read all safety warnings and instructions 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.
  • Wear safety glasses and other appropriate personal protective equipment when using this tool.
  • Be aware of your surroundings when using this tool.
  • Do not use this tool in wet or damp conditions.
  • Do not overload this tool.
  • Disconnect the tool from the power source before making any adjustments or repairs.
  • Store this tool in a safe place.

Before Use

  • Check the tool for any damage before using it.
  • Make sure the tool is properly assembled.
  • Choose the correct drill bit for the job.
  • Use the correct speed setting for the job.
  • Do not overload the tool.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the tool plugged in?
    • Is the power switch turned on?
    • Is the drill bit the correct size for the job?
    • Is the speed setting correct?
    • Is the tool overloaded?

Maintenance

  • Keep the tool clean and free of debris.
  • Inspect the tool regularly for wear or damage.
  • Replace worn or damaged parts immediately.
  • Store the tool in a 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 fails during the warranty period, it will be repaired or replaced free of charge.

Contact Information

  • For more information about this tool, please contact:

Additional Information

  • The GSB 21-2 RE Professional impact drill is a powerful and versatile tool that can be used for a variety of applications.
  • It has a high-performance motor that delivers 1100 watts of power, making it ideal for drilling through tough materials.
  • The impact mechanism provides additional torque for drilling into concrete and masonry.
  • The tool also features a keyless chuck for quick and easy bit changes.
  • The GSB 21-2 RE Professional is a great choice for professional and DIY users alike.

Here are some additional safety tips for using an impact drill:

  • Always wear safety glasses and other appropriate personal protective equipment when using an impact drill.
  • Be aware of your surroundings and do not use the tool in wet or damp conditions.
  • Do not overload the tool.
  • Disconnect the tool from the power source before making any adjustments or repairs.
  • Store the tool in a safe place.

By following these safety tips, you can help to prevent accidents and ensure that you get the most out of your impact drill.

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