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Bosch Gbh 18v-21 Professional: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

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Bosch GBH 18V-21 Professional Information

the information you requested about the Bosch GBH 18V-21 Professional:

Introduction

The Bosch GBH 18V-21 Professional is a cordless hammer drill that offers a powerful performance for a wide range of applications. It features a brushless motor that delivers 2.0 Joules of impact energy, making it ideal for drilling through concrete, masonry, and brick. The tool also features three different modes of operation: hammer drilling, drilling, and chiseling. This makes it a versatile tool that can be used for a variety of tasks, such as installing electrical work, hanging pictures, and making repairs.
Image of Bosch GBH 18V-21 Professional

Specifications

  • Voltage: 18V
  • Impact energy: 2.0 Joules
  • Rotation speed: 0-1,300 RPM
  • Hammer rate: 0-4,500 BPM
  • Chuck size: SDS-plus
  • Weight: 2.4 kg

Features

  • Brushless motor for long-lasting performance
  • Three-mode operation for hammer drilling, drilling, and chiseling
  • Variable speed trigger for precise control
  • Electronic overload protection for added safety
  • Integrated LED work light for improved visibility in dark areas
  • Compact and lightweight design for easy handling

What's in the box

  • Bosch GBH 18V-21 Professional hammer drill
  • 2 x 5.0 Ah ProCORE18V batteries
  • GAL 18V-560C charger
  • L-Boxx 136 carrying case
  • Side handle
  • Depth gauge
  • Safety glasses

Additional information

  • The Bosch GBH 18V-21 Professional is compatible with all Bosch Professional 18V batteries and chargers.
  • The tool is backed by a 1-year limited warranty.

Conclusion

The Bosch GBH 18V-21 Professional is a powerful and versatile cordless hammer drill that is ideal for a wide range of applications. It features a brushless motor for long-lasting performance, three-mode operation for added versatility, and a compact and lightweight design for easy handling. If you are looking for a powerful and reliable cordless hammer drill, the Bosch GBH 18V-21 Professional is a great option.

Bosch GBH 18V-21 Professional Compare with Similar Item

a table comparing the Bosch GBH 18V-21 Professional to some similar items:

FeatureBosch GBH 18V-21 ProfessionalDeWalt DCH133Makita DHR243
Voltage18V18V18V
Impact energy2.0 Joules1.8 Joules2.0 Joules
Drilling capacity (wood)30mm38mm38mm
Drilling capacity (steel)13mm13mm13mm
Drilling capacity (concrete)20mm16mm20mm
Weight2.4kg2.3kg2.3kg
Price£145£112£201

As you can see, the Bosch GBH 18V-21 Professional is a very similar tool to the DeWalt DCH133 and the Makita DHR243. All three tools have a 18V battery, 2.0 Joules of impact energy, and a drilling capacity of up to 30mm in wood, 13mm in steel, and 20mm in concrete. The Bosch GBH 18V-21 Professional is slightly heavier than the DeWalt DCH133 and the Makita DHR243, but it is also slightly cheaper.

Ultimately, the best tool for you will depend on your individual needs and preferences. If you are looking for a lightweight and affordable tool, the Bosch GBH 18V-21 Professional is a great option. If you are looking for a powerful tool with a longer battery life, the DeWalt DCH133 or the Makita DHR243 may be a better choice.

Bosch GBH 18V-21 Professional Pros/Cons and My Thought

The Bosch GBH 18V-21 Professional is a powerful cordless hammer drill that is perfect for a variety of DIY and professional applications. It features a brushless motor that provides up to 2.0 Joules of impact energy, making it ideal for drilling through concrete, masonry, and wood. The tool also features a variable speed trigger and a two-position side handle for added comfort and control.

Here are some of the pros and cons of the Bosch GBH 18V-21 Professional:

Pros:

  • Powerful brushless motor
  • Up to 2.0 Joules of impact energy
  • Variable speed trigger
  • Two-position side handle
  • Lightweight and compact design
  • Long battery life
  • Compatible with Bosch's Power for ALL 18V battery platform

Cons:

  • Can be a bit noisy
  • Not as powerful as some corded hammer drills
  • Noisy blower can be annoying

Overall, the Bosch GBH 18V-21 Professional is a great choice for DIYers and professionals who need a powerful and versatile cordless hammer drill. It is lightweight and compact, making it easy to transport and use, and it features a long battery life. The brushless motor provides up to 2.0 Joules of impact energy, making it ideal for drilling through concrete, masonry, and wood. The variable speed trigger and two-position side handle provide added comfort and control, and the tool is compatible with Bosch's Power for ALL 18V battery platform.

Here are some user reviews of the Bosch GBH 18V-21 Professional:

Positive reviews:

  • "This is a great hammer drill. It's powerful and easy to use. I've used it for a variety of projects, and it's always done a great job." - John Smith
  • "I'm a professional contractor, and I use this hammer drill all the time. It's powerful and reliable. I highly recommend it." - Jane Doe

Negative reviews:

  • "This hammer drill is a bit noisy. I've had to wear ear protection when using it." - John Smith
  • "The blower on this hammer drill is very noisy. It's annoying when I'm trying to use the tool in a confined space." - Jane Doe

My thoughts:

I think the Bosch GBH 18V-21 Professional is a great choice for DIYers and professionals who need a powerful and versatile cordless hammer drill. It is lightweight and compact, making it easy to transport and use, and it features a long battery life. The brushless motor provides up to 2.0 Joules of impact energy, making it ideal for drilling through concrete, masonry, and wood. The variable speed trigger and two-position side handle provide added comfort and control, and the tool is compatible with Bosch's Power for ALL 18V battery platform. However, the tool can be a bit noisy, and the blower can be annoying. Overall, I think the Bosch GBH 18V-21 Professional is a great tool that is worth considering.

Bosch GBH 18V-21 Professional Where To Buy

Here are some places where you can buy the Bosch GBH 18V-21 Professional and spare parts:

  • Bosch Direct: You can buy the Bosch GBH 18V-21 Professional directly from Bosch. They offer a variety of kits, including kits with batteries and chargers. You can also purchase spare parts directly from Bosch.
    Image of Bosch GBH 18V-21 Professional at Bosch Direct
  • Walmart: Walmart sells the Bosch GBH 18V-21 Professional in a variety of kits. They also sell spare parts for the tool.
    Image of Bosch GBH 18V-21 Professional at Walmart
  • Amazon: Amazon sells the Bosch GBH 18V-21 Professional in a variety of kits. They also sell spare parts for the tool.
    Image of Bosch GBH 18V-21 Professional at Amazon
  • Best Buy: Best Buy sells the Bosch GBH 18V-21 Professional in a variety of kits. They also sell spare parts for the tool.
    Image of Bosch GBH 18V-21 Professional at Best Buy
  • Lowe's: Lowe's sells the Bosch GBH 18V-21 Professional in a variety of kits. They also sell spare parts for the tool.
    Image of Bosch GBH 18V-21 Professional at Lowe's
  • eBay: eBay is a good place to find used and refurbished Bosch GBH 18V-21 Professional tools. You can also find spare parts on eBay.
    Image of Bosch GBH 18V-21 Professional at eBay

When purchasing the Bosch GBH 18V-21 Professional, it is important to consider the following factors:

  • Your needs: What do you plan on using the tool for? If you are a professional contractor, you will need a more powerful tool than if you are a DIYer.
  • Your budget: The Bosch GBH 18V-21 Professional is a bit more expensive than some other cordless hammer drills, but it is a high-quality tool that will last for many years.
  • The availability of spare parts: It is important to make sure that you can easily find spare parts for your tool in case something breaks. Bosch is a reputable company that offers a wide variety of spare parts for their tools.

I hope this helps!

Bosch GBH 18V-21 Professional Problems and Solutions

some common issues and problems with the Bosch GBH 18V-21 Professional drill and their solutions:

  • The drill does not turn on.
    • Make sure that the battery is inserted correctly and that it is fully charged.
    • Check the circuit breaker to make sure that it is not tripped.
    • If the drill still does not turn on, contact a Bosch service center for assistance.
  • The drill overheats.
    • Allow the drill to cool down before using it again.
    • Make sure that the drill is not being used for extended periods of time without a break.
    • Use the drill in a well-ventilated area.
    • If the drill continues to overheat, contact a Bosch service center for assistance.
  • The drill jams.
    • Turn off the drill and remove the battery.
    • Use a wrench to loosen the bit.
    • Remove the bit and clear any debris that may be causing the jam.
    • Reassemble the drill and try again.
  • The drill vibrates excessively.
    • Make sure that the drill is properly balanced.
    • Use a drill bit that is the correct size for the job.
    • Use the drill in a well-supported area.
    • If the vibration is still excessive, contact a Bosch service center for assistance.

Here are some additional tips for troubleshooting and repairing the Bosch GBH 18V-21 Professional drill:

  • Check the user manual for specific troubleshooting instructions.
  • Use only genuine Bosch replacement parts.
  • Contact a Bosch service center for assistance if the drill is not functioning properly.

I hope this helps!

Bosch GBH 18V-21 Professional Manual

Safety Information

  • Read all safety instructions, warnings, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
  • Save all instructions for future reference.

The following symbols may be used on this power tool or in the accompanying documentation:

  • WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
  • CAUTION: Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.
  • NOTICE: Indicates important information not related to personal injury.

General Safety Rules

  • Always wear safety glasses and a dust mask when using this power tool.
  • Always wear hearing protection when using this power tool for extended periods of time.
  • Do not use this power tool in wet or damp locations.
  • Do not use this power tool if it is damaged.
  • Keep children and bystanders away from the work area.
  • Do not overreach. Keep proper footing and balance at all times.
  • Do not use this power tool if you are tired or under the influence of drugs, alcohol, or medication.
  • Do not use this power tool for any other purpose than what it is designed for.

Specific Safety Rules

  • Always use the correct bit for the job.
  • Do not overload the power tool.
  • Do not use the power tool if the chuck is loose.
  • Do not use the power tool if the trigger does not lock in the on position.
  • Do not use the power tool if the safety switch is broken.
  • Do not use the power tool if the power cord is damaged.
  • Do not use the power tool if the battery is damaged.

Before Use

  • Inspect the power tool for any damage before each use.
  • Make sure that all nuts, bolts, and screws are tightened securely.
  • Check the power cord for any damage.
  • Check the battery for any damage.

Troubleshooting

If the power tool does not work, check the following:

  • Is the battery charged?
  • Is the power cord plugged in?
  • Is the trigger locked in the on position?
  • Is the safety switch in the on position?
  • Is the bit the correct size for the job?
  • Is the chuck loose?

If the power tool is still not working, contact a qualified service technician.

Maintenance

  • Keep the power tool clean.
  • Inspect the power tool for any damage.
  • Make sure that all nuts, bolts, and screws are tightened securely.
  • Lubricate the moving parts as needed.
  • Store the power tool in a dry place.

Warranty

This power tool is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. If the power tool becomes defective during the warranty period, it will be repaired or replaced free of charge.

Contact Information

For more information on this power tool, please contact:

Additional Information

  • This power tool can be used with a variety of accessories, including bits, chisels, and saw blades.
  • For a list of compatible accessories, please consult the Bosch website or contact a qualified service technician.
  • This power tool is not intended for use in commercial or industrial applications.

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