Bosch Cut Off Tool Review
Bosch offers a range of cut off tools designed for metal, tile, and masonry work. This review covers the key models, their performance, and how they compare to the competition.
Quick answer
For most users, the Bosch GWS18V-7 18V cordless cut off tool is the top pick due to its balance of power, ergonomics, and battery ecosystem. For budget-conscious buyers, the corded Bosch 1375A offers reliable performance at a lower cost.
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Research updated June 2026.
Bosch GWS18V-7
Powerful brushless motor with excellent dust protection.
| Model | Best For | Key Spec | Rating | Price |
|---|---|---|---|---|
| GWS18V-7 | Overall cordless | 20,000 RPM, brushless | 4.5/5 | Check price |
| 1375A | Budget corded | 11,000 RPM, 6.0A | 4.2/5 | Check price |
| GWS13-50 | Heavy-duty corded | 13,000 RPM, 13.0A | 4.4/5 | Check price |
| GWS18V-50 | High power cordless | 9,000 RPM, brushless | 4.3/5 | Check price |
Bosch GWS18V-7
Best Overall CordlessPros
- Brushless motor for longer run time
- Compact and lightweight design
- Excellent dust protection system
Cons
- Battery and charger sold separately
- Not as powerful as corded models for heavy cuts
The Bosch GWS18V-7 is a 4-1/2 inch cordless cut off tool that delivers 20,000 RPM from its brushless motor. Owner reviews on Amazon highlight its comfortable grip and good balance, making it suitable for overhead work. The dust protection system keeps debris out of the motor, extending tool life.
This model is part of the Bosch 18V battery platform, which includes a wide range of tools. For light to medium metal cutting and tile work, it performs well. Owners note that battery life is adequate for most tasks with a 4.0Ah pack, though heavy users may want a larger battery.
Bosch 1375A
Best Budget CordedPros
- Very affordable price point
- Reliable corded power for continuous use
- Includes auxiliary handle and wrench
Cons
- Lower RPM than brushless models
- No variable speed control
The Bosch 1375A is a corded cut off tool that offers good value for DIYers and light professional use. It runs at 11,000 RPM, which is sufficient for cutting metal, tile, and masonry with the correct wheel. Owner reviews on Amazon note its durability over years of use.
This model is heavier than cordless options but provides consistent power without battery concerns. The spindle lock makes wheel changes easy. For users who do not need portability, the 1375A is a solid entry-level choice.
Bosch GWS13-50
Best Heavy-Duty CordedPros
- High 13.0 amp motor for tough cuts
- 5-inch wheel for deeper cuts
- Durable metal gear housing
Cons
- Heavier than smaller models
- More expensive than the 1375A
The Bosch GWS13-50 is a corded cut off tool designed for heavy-duty applications. Its 13.0 amp motor delivers 13,000 RPM, providing ample power for cutting through thick metal and masonry. Owner reviews on Amazon praise its build quality and consistent performance.
This model features a 5-inch wheel, which allows for deeper cuts compared to 4-1/2 inch tools. The metal gear housing adds durability, making it suitable for daily professional use. It is heavier than cordless options, but the added power justifies the weight for demanding tasks.
Bosch GWS18V-50
Best High Power CordlessPros
- Brushless motor for efficiency
- 5-inch wheel for deeper cuts
- Variable speed trigger
Cons
- Lower RPM than GWS18V-7
- Heavier and bulkier
The Bosch GWS18V-50 is a cordless cut off tool that uses a 5-inch wheel, offering deeper cutting capacity than standard 4-1/2 inch models. Its brushless motor provides good run time, and the variable speed trigger gives control over different materials. Owner reviews on Amazon note its solid build and comfortable grip.
This tool is heavier than the GWS18V-7, but the larger wheel makes it better for cutting through thicker materials. The 9,000 RPM speed is lower than some competitors, but the torque is sufficient for most tasks. It is a good choice for users who need a cordless tool with deeper cutting capability.
Bosch GWS12V-50
Best Compact CordlessPros
- Very lightweight and compact
- Good for tight spaces
- Brushless motor for run time
Cons
- Small wheel limits cut depth
- Not suitable for heavy-duty work
The Bosch GWS12V-50 is a compact 12V cordless cut off tool designed for light-duty cutting in tight spaces. It uses a 3-inch wheel and runs at 20,000 RPM. Owner reviews on Amazon highlight its ease of use for small projects like cutting bolts or rebar.
This tool is part of the Bosch 12V battery platform, which is ideal for users who already own other 12V tools. It is not meant for heavy cutting but excels at precision work in confined areas. Its lightweight design reduces fatigue during extended use.
What to check before buying a Bosch cut off tool
Consider the power source first. Corded tools offer unlimited run time and consistent power, while cordless tools provide portability. Check the wheel size: 4-1/2 inch is standard, but 5-inch wheels allow deeper cuts. Speed (RPM) affects cutting efficiency for different materials. Higher RPM is better for metal, while lower speeds with variable control suit tile and masonry. Also, evaluate the battery platform if choosing cordless. Bosch 18V tools are compatible with a wide range of other Bosch tools, making the ecosystem a factor.
Mistakes to avoid
A common mistake is using the wrong wheel for the material. Always match the wheel type to the task: metal, tile, or masonry. Another error is forcing the tool through a cut. Let the tool do the work to avoid wheel binding or motor strain. Do not overlook safety gear. Cut off tools produce sparks and debris, so wear eye protection and gloves. Finally, avoid using a cordless tool for heavy continuous cuts that drain the battery quickly. For extended work, a corded model is more practical.
Who is the Bosch cut off tool for?
Bosch cut off tools suit a range of users from DIYers to professionals. The corded models like the 1375A are ideal for homeowners who need an occasional tool for cutting metal or tile. The cordless GWS18V-7 is a good fit for professionals who need portability on job sites. The heavy-duty GWS13-50 is designed for tradespeople who cut thick materials daily. The compact GWS12V-50 is for electricians or plumbers working in tight spaces. Each model targets a specific use case, so buyers should match the tool to their typical tasks.
Performance and power
Bosch cut off tools are known for reliable performance. The corded models deliver consistent power without battery fade. The GWS13-50 with its 13.0 amp motor handles thick steel and masonry with ease. The cordless GWS18V-7 offers good run time with a brushless motor, though it may struggle with prolonged heavy cuts. Owner reviews on Amazon report that the GWS18V-7 cuts through rebar and angle iron effectively with a 4.0Ah battery. The GWS18V-50 provides more torque for deeper cuts but at a lower RPM. For light tasks, the GWS12V-50 performs well but is limited by its small wheel.
Build quality and durability
Bosch tools are built to last. The corded models feature metal gear housings that withstand drops and rough handling. The GWS13-50 has a durable design that professionals appreciate. The cordless models use reinforced plastic housings that are lightweight but still robust. The dust protection system in the GWS18V-7 is a standout feature, keeping debris out of the motor and switch. Owner reviews on Amazon note that Bosch tools often outlast competitors in the same price range. The warranty on Bosch power tools is typically one year, with longer coverage on some models.
Alternatives to consider
DeWalt offers the DWE402 corded cut off tool, which has a similar power profile to the Bosch GWS13-50 but with a different grip design. Makita produces the XAG04 cordless model, which competes with the GWS18V-7 and offers a faster charge time with its 18V LXT system. Milwaukee has the M18 FUEL cut off tool, known for its high torque and durable build. Ryobi provides budget-friendly cordless options for DIYers. Each brand has its own battery ecosystem, so buyers should consider existing tool collections. For heavy-duty corded work, the DeWalt DWE402 is a strong alternative.
FAQs
What is a cut off tool used for?
A cut off tool is used for cutting metal, tile, masonry, and other hard materials using abrasive wheels. It is commonly used in construction and metalworking.
Can a Bosch cut off tool cut concrete?
Yes, with a diamond or abrasive masonry wheel, a Bosch cut off tool can cut concrete and brick. Ensure the wheel is rated for masonry to avoid damage.
Are Bosch cut off tools brushless?
Some models like the GWS18V-7 and GWS18V-50 have brushless motors. Corded models like the 1375A use brushed motors, which are less efficient but more affordable.
What size wheel does a Bosch cut off tool use?
Most Bosch cut off tools use 4-1/2 inch wheels, but some models like the GWS13-50 and GWS18V-50 use 5-inch wheels. The GWS12V-50 uses a 3-inch wheel.
Is a corded or cordless cut off tool better?
Corded tools offer unlimited run time and consistent power for heavy work. Cordless tools provide portability and are better for job sites without power outlets.
How long does a Bosch cut off tool battery last?
Battery life depends on the model and usage. With a 4.0Ah battery, the GWS18V-7 can run for about 15-20 minutes of continuous cutting. Heavier use drains it faster.
Can I use a cut off tool to cut wood?
It is not recommended. Cut off tools are designed for abrasive wheels that cut metal and masonry. Using them on wood can cause kickback and is unsafe.
What safety gear do I need for a cut off tool?
Always wear safety glasses, gloves, and hearing protection. A dust mask is also recommended when cutting masonry or tile to avoid inhaling particles.
How do I change the wheel on a Bosch cut off tool?
Use the spindle lock to hold the shaft, then use the included wrench to loosen the flange nut. Remove the old wheel, install the new one, and tighten the nut.
Are Bosch cut off tools compatible with other brand batteries?
No, Bosch cut off tools are designed to work only with Bosch 12V or 18V batteries. Using other brand batteries can damage the tool and void the warranty.
What is the warranty on Bosch cut off tools?
Bosch offers a one-year warranty on most power tools. Some models may have extended warranties through retailers or Bosch's limited lifetime warranty on certain parts.
Which Bosch cut off tool is best for beginners?
The Bosch 1375A corded model is best for beginners due to its low cost and reliable performance. It is easy to use and does not require battery management.
Our verdict
The Bosch GWS18V-7 is the best overall cut off tool for most users, offering a strong brushless motor, good dust protection, and portability. For budget buyers, the corded Bosch 1375A provides reliable performance at a lower cost. Choose based on your need for portability versus power.