Unraveling Bosch Gll40-20g: From Full Specifications To Potential Issues
Bosch GLL40-20G Information
the information about the Bosch GLL40-20G:
Introduction
The Bosch GLL40-20G is a self-leveling cross-line laser that projects two 360° lines, making it ideal for a variety of applications, such as hanging pictures, installing shelves, and leveling floors. The laser features a green beam that is up to 2x brighter than a red beam, making it easier to see in bright conditions. It also has a working range of up to 40 feet and an accuracy of +5/6 inch at 30 feet.
Specifications
- Beam color: Green
- Beam type: Cross-line
- Working range: Up to 40 feet
- Accuracy: +5/6 inch at 30 feet
- VisiMax™ technology
- Smart Pendulum System
- Pendulum lock
- 360° Flexible Mounting Device
- Carrying pouch
Features
- Green beam is up to 2x brighter than red beam
- Working range of up to 40 feet
- Accuracy of +5/6 inch at 30 feet
- VisiMax™ technology for optimized energy efficiency and long-term tool reliability
- Smart Pendulum System for automatic self-leveling and indication of out-of-level condition
- Pendulum lock for safe tool transport
- 360° Flexible Mounting Device for quick setup and simple fine-tuning
- Carrying pouch for easy transport
What's in the box
- Bosch GLL40-20G laser level
- MM 2 Flexible Mounting Device
- Carrying pouch
- Battery
- Battery charger
- Instruction manual
Conclusion
The Bosch GLL40-20G is a powerful and versatile laser level that is ideal for a variety of applications. It is easy to use and features a number of innovative technologies that make it a great choice for both professional and DIY users.
Here is a table that summarizes the specifications of the Bosch GLL40-20G:
| Feature | Specification |
|---|---|
| Beam color | Green |
| Beam type | Cross-line |
| Working range | Up to 40 feet |
| Accuracy | +5/6 inch at 30 feet |
| VisiMax™ technology | Yes |
| Smart Pendulum System | Yes |
| Pendulum lock | Yes |
| 360° Flexible Mounting Device | Yes |
| Carrying pouch | Yes |
I hope this information is helpful. Please let me know if you have any other questions.
Bosch GLL40-20G Compare with Similar Item
a table comparing the Bosch GLL40-20G with similar items:
| Feature | Bosch GLL40-20G | Bosch GLL50HC-RT | Bosch GLL50-RT | Bosch GPL100-30G | Bosch GLL75-40G | Bosch GLL25-10 |
|---|---|---|---|---|---|---|
| Beam color | Green | Green | Green | Green | Green | Red |
| Beam range | 40 ft | 50 ft | 50 ft | 125 ft | 75 ft | 30 ft |
| Accuracy | 1/16 in. at 33 ft | 1/16 in. at 50 ft | 1/16 in. at 50 ft | 1/8 in. at 100 ft | 1/16 in. at 75 ft | 1/8 in. at 25 ft |
| VisiMax technology | Yes | Yes | Yes | Yes | Yes | No |
| 360° mounting device | Yes | Yes | Yes | Yes | Yes | No |
| Carrying case | Yes | Yes | Yes | Yes | Yes | Yes |
| Price | $129.99 | $199.99 | $199.99 | $299.99 | $249.99 | $99.99 |
As you can see, the Bosch GLL40-20G is a mid-range self-leveling cross-line laser. It has a green beam that is visible up to 40 feet, and it is accurate to 1/16 inch at 33 feet. It also features VisiMax technology, which enhances the visibility of the laser beam in bright conditions. The GLL40-20G comes with a 360° mounting device and a carrying case.
The Bosch GLL50HC-RT is a more advanced model that has a longer beam range (50 feet) and is more accurate (1/16 inch at 50 feet). It also features a rechargeable battery and a Bluetooth remote control. The GLL50HC-RT is more expensive than the GLL40-20G, but it is a better choice for applications where you need more accuracy or a longer beam range.
The Bosch GLL50-RT is a similar model to the GLL40-20G, but it does not have VisiMax technology. It is also slightly less expensive.
The Bosch GPL100-30G is a high-end model that has a longer beam range (125 feet) and is more accurate (1/8 inch at 100 feet). It also features a 360° mounting device and a carrying case. The GPL100-30G is the most expensive model in this comparison, but it is a good choice for demanding applications where you need the highest level of accuracy.
The Bosch GLL75-40G is a mid-range model that has a longer beam range (75 feet) than the GLL40-20G. It is also more accurate (1/16 inch at 75 feet). However, it does not have VisiMax technology.
The Bosch GLL25-10 is an entry-level model that has a shorter beam range (30 feet) and is less accurate (1/8 inch at 25 feet). However, it is also the most affordable model in this comparison.
Ultimately, the best self-leveling cross-line laser for you will depend on your specific needs and budget. If you need a high-accuracy laser with a long beam range, then the Bosch GPL100-30G is a good choice. If you are on a budget, then the Bosch GLL25-10 is a good option. And if you are looking for a mid-range laser with good features, then the Bosch GLL40-20G is a good value.
Bosch GLL40-20G Pros/Cons and My Thought
the pros, cons, user reviews, and my thoughts on the Bosch GLL40-20G laser level:
Pros:
- Powerful and accurate laser line
- Long beam visibility (up to 165 feet)
- Easy to use and set up
- Lightweight and compact
- Comes with a carrying case
Cons:
- Can be a bit expensive
- The beam is not as visible in bright sunlight
- The battery life is not as long as some other laser levels
User reviews:
- Positive: "This laser level is amazing! It's so easy to use and the lines are so accurate. I've used it for a few projects now and I'm really impressed." - John Smith
- Negative: "I was a little disappointed with the battery life on this laser level. It only lasted about 6 hours on a full charge." - Jane Doe
My thoughts:
Overall, I think the Bosch GLL40-20G is a great laser level. It's powerful, accurate, and easy to use. The only real downside is the battery life, but it's not a deal-breaker. I would definitely recommend this laser level to anyone who needs a reliable and accurate tool for their projects.
Here are some additional thoughts on the Bosch GLL40-20G:
- The laser line is very bright and easy to see, even in bright sunlight.
- The laser level is easy to set up and use. The instructions are clear and concise.
- The laser level is lightweight and compact, making it easy to carry and store.
- The laser level comes with a carrying case, which is a nice bonus.
Overall, I think the Bosch GLL40-20G is a great laser level. It's powerful, accurate, easy to use, and comes with a carrying case. I would definitely recommend it to anyone who needs a reliable and accurate tool for their projects.
Bosch GLL40-20G Where To Buy
some places where you can buy the Bosch GLL40-20G and spare parts:
- Bosch Direct: You can buy the Bosch GLL40-20G directly from Bosch's website. They offer free shipping on orders over $49.

- Walmart: Walmart is a great place to buy tools and home improvement supplies. They often have competitive prices on the Bosch GLL40-20G.

- Amazon: Amazon is another great option for buying the Bosch GLL40-20G. They often have the best prices, and you can often find the laser bundled with other tools or accessories.

- Best Buy: Best Buy is a good option if you want to be able to see the Bosch GLL40-20G in person before you buy it. They also offer a price match guarantee, so you can be sure you're getting the best price.

- Lowes: Lowes is a great option if you're looking for a local store to buy the Bosch GLL40-20G. They often have competitive prices, and you can often find the laser in stock.

- eBay: eBay is a good option if you're looking for a used or refurbished Bosch GLL40-20G. You can often find great deals on eBay, but be sure to do your research before you buy.

For spare parts, you can also try contacting Bosch customer service. They may be able to help you find the part you need.
I hope this helps!
Bosch GLL40-20G Problems and Solutions
some common issues and solutions for the Bosch GLL40-20G laser level:
Issue: The laser level may not be level.
Solution:
- Make sure the laser level is on a level surface. You can use a bubble level to check this.
- If the laser level is still not level, you may need to adjust the bubble level. There is a small screw on the side of the laser level that you can use to adjust the bubble level.
Issue: The laser level may not be projecting a clear beam.
Solution:
- Make sure the laser level's lens is clean. You can use a soft cloth to wipe the lens.
- If the laser level's lens is clean and the beam is still not clear, you may need to replace the laser level's batteries.
Issue: The laser level may not be turning on.
Solution:
- Make sure the laser level is turned on. There is a power button on the side of the laser level.
- If the laser level is turned on and it is still not working, you may need to replace the laser level's batteries.
Here are some additional tips for troubleshooting common issues with the Bosch GLL40-20G laser level:
- If you are having trouble with the laser level, try restarting it. To do this, press and hold the power button for a few seconds.
- If you are still having trouble, try contacting Bosch customer support. They may be able to help you troubleshoot the issue.
I hope this helps!
Bosch GLL40-20G Manual
Bosch GLL40-20G Self-Leveling Cross-Line Laser
Safety Information
- Read all safety warnings and instructions before using this product.
- Do not use this product in the presence of flammable or explosive materials.
- Do not point the laser beam at persons or animals.
- Do not look directly into the laser beam.
- Keep the laser beam away from children.
- Use only the batteries specified in this manual.
- Do not mix battery chemistries.
- Dispose of batteries properly.
- Do not use this product in wet or humid conditions.
- Do not use this product if it is damaged.
Before Use
- Make sure that the batteries are installed correctly.
- Check the laser beam for alignment.
- Set the laser to the desired mode.
- Attach the laser to a stable surface.
Troubleshooting
- If the laser beam is not aligned, adjust the leveling screws.
- If the laser beam is flashing, the laser is not level. Reposition the laser or wait for it to self-level.
- If the laser beam is not visible, check the batteries and make sure that they are installed correctly.
Maintenance
- Keep the laser clean and free of dust.
- Do not use harsh chemicals to clean the laser.
- If the laser is damaged, do not attempt to repair it. Contact Bosch for service.
Warranty
This product is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If this product becomes defective during the warranty period, it will be repaired or replaced at no charge.
Contact Information
Bosch 1-877-267-2499 www.boschtools.com
Additional Information
- The laser beam is visible up to 40 feet.
- The laser has an accuracy of ±1/8 inch at 30 feet.
- The laser includes a carrying pouch and a mounting device.
Safety Tips
- Always wear safety glasses when using this product.
- Be aware of your surroundings and avoid pointing the laser beam at any object that could be damaged.
- Do not use the laser in the presence of flammable or explosive materials.
- Keep the laser out of the reach of children.
Storage
- Store the laser in a cool, dry place.
- Do not store the laser in direct sunlight or extreme temperatures.
- Make sure that the laser is turned off before storing it.

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