Brand | BOSCH |
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Material | Plastic |
Product Dimensions | 11"L x 3"W x 3.7"H |
Style | Adjustable |
Power Source | Air Powered |
Color | 4-1/2" |
Item Weight | 4.2 Pounds |
Voltage | 120 Volts |
Wattage | 7.5 watts |
Maximum Rotational Speed | 11000 RPM |
Manufacturer | Bosch |
Part Number | GWS8-45 |
Item Weight | 4.2 pounds |
Item model number | GWS8-45 |
Is Discontinued By Manufacturer | No |
Size | 4-1/2" |
Item Package Quantity | 1 |
Measurement System | Metric |
Special Features | lightweight |
Included Components | (1) Spanner Wrench, (1) 4-1/2-Inch Abrasive Wheel, (1) Wheel Guard, (1) Flange Kit, (1) Auxiliary Handle |
Batteries Included? | No |
Batteries Required? | No |
Warranty Description | Warranty |
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BOSCH 4-1/2 Inch Angle Grinder GWS8-45
Brand | BOSCH |
Material | Plastic |
Product Dimensions | 11"L x 3"W x 3.7"H |
Style | Adjustable |
Power Source | Air Powered |
About this item
- COMPACT: Weighing only 4.2 lbs., the Bosch GWS8-45 Angle Grinder is lightweight and compact. Its slender grip circumference allows users to work comfortably for longer.
- POWER: The angle grinder features a powerful 7.5-amp motor to produce 11,000 no-load rpm for professional cutting and grinding applications.
- ERGONOMIC: With its slim-grip design, the GWS8-45 angle grinder provides outstanding user comfort. Its two-position side handle allows for greater control and utility.
- PROTECTION: The grinder also provides directed air flow to divert dust from vital components for enhanced durability and longer tool life. The burst-protection guard provides quick adjustments for user security.
- LONGEVITY: Bosch's Service Minder brush system shuts off the tool when preventative maintenance is required, extending overall tool life.
Customer ratings by feature
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From the brand
Bosch Power Tools
What Hard Workers Deserve
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What Hard Workers Deserve
Engineered to meet the needs of workers, Bosch Tools take care of the job and you. The power tools from Bosch are engineered for excellence – meeting the highest standards in speed, precision and robustness - for professionals from professionals.
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Engineered to Conquer Concrete
For projects that require heavy-duty drilling, chipping, and fastening, Bosch offers a wide range of expertly designed tools for the needs of the job, including demolition hammers, grinders, and dust collection systems, to help you deliver concrete results.
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Built Precisely for Woodworking
Carpentry takes skill and precision, and Bosch delivers a wide range of power tools, accessories, and measuring tools to help you ensure accuracy through every phase of the project, whether it’s installing cabinets, trim work, or cutting wood.
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End-to-End Drywall Solutions
Drywall installation is a demanding task, but Bosch’s lineup of power tools, accessories, and measuring tools streamline each step of your project, from preparation to hanging and finishing, ensuring efficient results.
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Finding the Right Tool for Your Project?
Head to the Tool Finder experience on the Bosch Brand Store to quickly find the right products for your building needs.
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From the manufacturer
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Best in Class Power to Weight with Narrow GripThe Bosch GWS8-45 4-1/2 in. Angle Grinder is a light, ergonomic grinder with plenty of grinding and cutting capacity. It features a slender grip circumference for easier handling and less stress on the hand, allowing users to work comfortably for extended periods. Great for welds and metal cuts. |
Professional Power for Outstanding Cutting SpeedThis grinder has a powerful motor that produces 11,000 of no-load RPM, for plenty of productivity on the job. It is a 7.5 Amp motor, to deliver for welders, mechanics, fabricators, and others who need to get the job done fast. |
Adjustable Side Handle for ConvenienceThe two-position side handle allows for greater control and utility. It can switch from left to right, for additional control. |
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Burst-Protection GuardAdjustable guard designed for user protection |
Directed Air FlowDiverts dust away from the switch and vital components. This results in longer tool life. |
Large Spindle LockAllows for easier disc changes |
Ideal for Tight Work Spaces and Difficult TasksSqueeze into tight spaces with this compact grinder, and it is light (4.2 lbs.) for all-day applications. |
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Durable Carbon BrushesDelivers extended tool life. They are also replaceable. |
Lock-On Side SwitchFor continuous operation |
Service Minder BrushesEliminates guesswork, stopping grinder when preventative maintenance is required |
Works with PRO+GUARD Dust SolutionsAn end-to-end collection system that helps users move toward OSHA silica dust compliance |
Product information
Technical Details
Additional Information
ASIN | B01HD4EH4A |
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Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank | #35,545 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #47 in Power Angle Grinders |
Date First Available | July 1, 2016 |
Warranty & Support
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BOSCH 4-1/2 Inch Angle Grinder GWS8-45
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Videos
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Videos for this product
0:16
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Bosch 4-1/2-Inch Angle Grinder 1375A
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Videos for this product
5:24
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Corded vs Cordless Angle Grinder Comparison
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Videos for this product
1:47
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Honest Review and Demo of Bosch Grinder
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Product guides and documents
Product Description
The BOSCH GWS8-45 4-1/2-inch angle Grinder is a light, ergonomic Grinder, with a slender grip circumference that allows users to work comfortably for extended periods. This 4.2 lbs. Tool delivers plenty of power, with a 7.5-Amp motor that produces 11,000 no-load RPM. It has directed air flow that diverts dust away from vital components. BOSCH service Minder brush system shuts off the tool when preventative maintenance is required, which helps to eliminate guesswork. This Grinder has a two-position side handle. It has a burst-protection quick adjustable guard designed for user protection, a fast-change Disc change and a large spindle lock. Includes: (1) auxiliary handle; (1) wheel guard; (1) flange Kit; (1) Spanner wrench; (1) 4-1/2-inch abrasive wheel.
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BOSCH 4-1/2 Inch Angle Grinder GWS8-45
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Price | — | $50.44$50.44 | $159.00$159.00 | $89.00$89.00 | $177.64$177.64 | $49.99$49.99 |
Delivery | — |
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Get it as soon as Wednesday, May 22
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Get it as soon as Wednesday, May 22
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Get it as soon as Wednesday, May 22
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Get it as soon as Wednesday, May 22
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Customer Ratings | ||||||
Sold By |
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CPO Outlets
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Amazon.com
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Amazon.com
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Amazon.com
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Avhrit
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power source |
electric, gas, pneumatic, Air Powered
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electric, pneumatic, Corded Electric
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Corded Electric
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AC
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Corded
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Corded Electric
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max rotational speed |
11000 rpm
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10000 rpm
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11500 rpm
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11000 rpm
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9300 rpm
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11000 rpm
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voltage |
120 volts
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120 volts
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120 volts
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120 volts
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120 volts
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style |
Adjustable
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Slide Switch
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Rpm,Adjustable,Ergonomic
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Paddle Switch
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Angled
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weight |
4.2 pounds
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6 pounds
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4.5 pounds
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Important information
7 watts
120 volts
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the power, size and weight of the disc grinder. For example, they mention it has great power, is compact and lightweight. They're also satisfied with the value, quality, and ease of cutting. That said, some complain about the stability and ease-of-use.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the disc grinder tool. They mention that it's reliable, well-made, and resilient. Some say that it pulls off the job with no problem.
"...And sure enough, it works just fine. Just don't lay into it too hard and let the disc do the work...." Read more
"I like this tool. Easy to use and powerful. Trigger lock works well and cutting wheels change easy." Read more
"This angle grinder is easy to use and not too heavy. Works on many different projects." Read more
"...It's pretty resilient, fairly powerful, and still smaller than others which to me is great...." Read more
Customers are satisfied with the value of the disc grinder tool. They mention that it is a great angle grinder for the money, and that corded tools are becoming more affordable with the availability of LI powered tools.
"...Buy it, you'll be happy. It's inexpensive, and if you burn it out, just buy another...." Read more
"...I needed something that is fairly good quality, is good budget wise, should be easy to hold, not too heavy and easy to maneuver...." Read more
"Value, overall, is here. The price is low, and the quality is excellent...." Read more
"...I use a needle nose plier to tighten the nut. Otherwise great tool for the money." Read more
Customers like the power of the disc grinder tool. They mention that it has a powerful motor, and is reliable. Customers also say that it is more than adequate for grinding and cutting sheet metal and bar.
"I like this tool. Easy to use and powerful. Trigger lock works well and cutting wheels change easy." Read more
"...It's pretty resilient, fairly powerful, and still smaller than others which to me is great...." Read more
"Good size. Plenty of power for carving. Ergonomics are great" Read more
"...Powerful and does not skip a beat when grinding." Read more
Customers like the weight of the disc grinder tool. They say it's lightweight, compact, and good for light to medium use. Some appreciate the thinner body for hand holding and the good power to weight ratio.
"This angle grinder is easy to use and not too heavy. Works on many different projects." Read more
"...This GWS8-45 is so slender that my thumb can almost touch my middle finger holding it so superb to hold and use it...." Read more
"...butter... so smooth, hardly any vibration... very well balanced and lightweight... seriously, a pleasure...." Read more
"...It was light weight and powerful enough to get the job done." Read more
Customers like the size of the disc grinder tool. They mention that it's compact and easy to use. They also appreciate the slim fit design, saying it'll fit their small hands. They say it'd be good for small jobs.
"...It's pretty resilient, fairly powerful, and still smaller than others which to me is great...." Read more
"I love how narrow the body of this grinder is, it allows me to really finesse grinding and sanding without overdoing it, which is easy to do with..." Read more
"Good size. Plenty of power for carving. Ergonomics are great" Read more
"...on it... that's all I'll say about that... otherwise... it's a great small grinder." Read more
Customers like the ease of cutting with the disc grinder tool. For example, they mention it manages cutting stucco well, it's the perfect tool to make difficult cuts, and it sharpens cutting tools. Some say it'll cut through brick like a champ and it cuts through steel like butter.
"...It makes it way easier to grind with one hand and your hand doesn't fatigue nearly as fast...." Read more
"...This is the perfect tool to make these difficult cuts that cannot be done with a normal tile cutter...." Read more
"...of holes on each post are in line with each other so the rear set needs to be cut off...." Read more
"...This Bosch grinder worked perfectly. And also excellent for quick sharpening mower blades, hoes, or general metal cutting around the garage...." Read more
Customers are mixed about the ease of use of the disc grinder tool. Some mention that it's easy to handle and helps them do the job they were doing faster, while others say that it is awkward to use, difficult to turn on/off single-handedly, and that the guard on the GWS8-45 is a bit interesting to install and not too easy to change.
"I like this tool. Easy to use and powerful. Trigger lock works well and cutting wheels change easy." Read more
"This angle grinder is easy to use and not too heavy. Works on many different projects." Read more
"...The blade guard on the GWS8-45 is a bit interesting to install and not too easy to change positions...." Read more
"Use them for metal fabrication business, very comfortable to handle, works perfectly" Read more
Customers are dissatisfied with the stability of the disc grinder tool. They say it burns out after 30 minutes of use, the motor starts smoking, and it doesn't last long. Some customers also mention that it overheats and goes up in smoke.
"...to continually keep your thumb on the button or it shuts off.not great for long use as the button is small and uncomfortable...." Read more
"...It overheated and went up in smoke. Plenty good for light to medium use." Read more
"...looking at other brands because this model GWS8-45 is not built for heavy professional use the they used to be...." Read more
"This is not stable, so much vibration I could not use it ." Read more
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Top reviews from the United States
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https://www.amazon.com/dp/B002RYYY7C?psc=1&ref=ppx_yo2ov_dt_b_product_details
The two rows of holes on each post are in line with each other so the rear set needs to be cut off. Not knowing that before I bought that rack, I bought this grinder to do the cutting. I was shocked to find that the manual claims that this grinder cannot be used for cut-off applications, because it doesn't say that anywhere on the Amazon page, or even on Bosch's website, unless you download the manual. However, other manufacturers such as Makita offer similar-sized grinders with the same or lesser specs that claim to support cut-off work, so I figured why not give it a shot. And sure enough, it works just fine. Just don't lay into it too hard and let the disc do the work. Also, wear adequate PPE and a dust mask or respirator, it generates tons of particles and stinks as the disc wears.
Other 4.5" Bosch grinders claim to support cut-off applications, but it seems that Bosch has discontinued the "optional" cut-off guard, and finding guards for other brands of 4.5" grinders seemed equally challenging at this price point. It would appear that most people just toss a cut off disc in there and go, using the included "Type 27" guard that comes stock with this and any other brand of entry-level grinder. User beware, and be careful, but there are loads of videos on YouTube showing people using grinders to cut metal with Type 27 guards installed.
Installing a Type 1 (flat) disc doesn't leave a lot of clearance with the included guard though, so I opted for a Type 27 cutoff wheel. This has the depressed center like the included grinding wheel, and offers better clearance. The one I got (Norton Blue Fire) says to use it with Type 27 guards, which happens to be what's included with this grinder. Despite this, the manual says not to use the included Type 27 guard for cut-off applications.
It appears that there's a lot of conflicting information as to what can and can't be done. Or rather, what should or shouldn't be done. But for everyone wondering if this grinder is suitable for cutting, the answer is yes. Buy it, you'll be happy. It's inexpensive, and if you burn it out, just buy another. It'll still be less expensive than some of the other higher-end models out there. You'll be happy.
Top reviews from other countries
Reviewed in Mexico on August 26, 2020
La recomiendo ampliamente!