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Bosch GWS18V-45 18V 4-1/2 In. Angle Grinder (Bare Tool)

4.5 4.5 out of 5 stars 360 ratings

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Purchase options and add-ons

Brand BOSCH
Material Metal
Product Dimensions 12.5"L x 2.8"W x 3.7"H
Style Angle Grinder
Power Source Battery Powered

About this item

  • LONGEVITY: The Bosch GWS18V-45 18V Angle Grinder delivers all-day grinding and cutting power. It’s designed for a longer tool life with Bosch's Electronic Cell Protection and Electronic Motor Protection.
  • POWER: The grinder includes a powerful four-brush motor design with 0-10,000 no-load rpm to handle the toughest cutting and grinding jobs.
  • CONTROL: The tool features a two-position Vibration Control side handle, for comfortable control, less user fatigue and smoother grinding.
  • SECURE: For user protection, this cordless grinder was engineered with a tool-less quick-change, burst-resistant wheel guard and restart protection to avoid accidental startup.
  • PRECISION: The Bosch GWS18V-45 18V Angle Grinder provides outstanding cutting ability and is optimized for metal applications.
See more product details

Customer ratings by feature

Versatility
4.8 4.8
Maneuverability
4.6 4.6
Value for money
4.6 4.6
Battery life
4.2 4.2

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Bosch GWS18V-45 18V 4-1/2 In. Angle Grinder (Bare Tool)
BOSCH Bosch GWS18V-45 18V 4-1/2 In. Angle Grinder (Bare Tool)
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Price-21% $109.91
List:$139.00
-22% $109.00
List:$139.00
$96.99-29% $98.00
List:$139.00
$139.00-28% $179.99
List:$249.00
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Apr 2 - 9
Get it as soon as Tuesday, Apr 2
Get it as soon as Sunday, Mar 31
Get it Apr 1 - 5
Customer Ratings
Battery life
4.2
4.4
4.7
3.4
4.4
Value for money
4.6
4.8
3.8
4.1
Sold By
Amazon.com
East Coast Entities
La Bella Rosa
SomeCare
Amazon.com
WholeScaleLLC
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
max rotational speed
10000 rpm
11000 rpm
11000 rpm
11000 rpm
8500 rpm
wattage
0 watts
1400 watts
850 watts
voltage
18 volts
20 volts
20 volts
18 volts
18 volts
18 volts
style
Angle Grinder
Angled
Brushless Grinder (Tool Only)
Tool Only
Tool Only
Tool Only w/ Bluetooth Connectivity
weight
5 pounds
0.01 ounces
3.6 pounds
6 pounds

From the manufacturer

GWS18V-45 18-Volt 4-1/2-Inch Angle Grinder

The Bosch GWS18V-45 18-Volt 4-1/2-Inch Angle Grinder is an ideal portable cordless grinder for electricians, plumbers and others who need professional power. With its four-brush motor design and optimized gear structure, it provides a 0-10,000 no-load rpm, to handle cutting and grinding applications. It features a two-position Vibration Control side handle for better handling and less operator fatigue. It is designed for long tool life, with Bosch's Electronic Cell Protection and Electronic Motor Protection, optimized brush design. For user protection, this cordless grinder was engineered with a toolless quick-change, burst-resistant wheel guard and restart protection to avoid accidental startup.

Includes:

(1) 18-Volt 4-1/2-Inch Angle Grinder (Bare Tool), (1) Wheel Guard, (1) Grinding Disc, (1) Side Handle

Specifications

  • Battery Amp Hour: 2.6
  • Cut-off Disc: 4-1/2"
  • RPM: 10000
  • Spindle Lock: Yes
  • Battery Chemistry: Lithium Ion
  • Battery Voltage: 18-Volt
  • Weight: 4.0 Lbs.
  • Width: 5.0-Inch

Runtime and performance

The Bosch GWS18V-45 Angle Grinder boasts best-in-class runtime, with an outstanding abrasion rate per battery charge. The grinder uses Bosch's Electronic Cell Protection and Electronic Motor Protection for 2X lifetime. The brush design on the grinder helps to create a long motor life without having to change brushes.

Easy handling, hard working

This power tool features a two-position Vibration Control side handle, which provides greater control than the predecessor model. It also makes the grinder less fatiguing for the user to operate, which can deliver smoother grinding. The side handle can switch from left to right, for additional control. The grinder's ergonomic design provides additional user comfort.

Portable and effective

The Bosch GWS18V-45 18-Volt 4-1/2-Inch Angle Grinder delivers outstanding grinding clout thanks to its four-brush motor design, so users now have a cordless tool that doesn't forgo performance in favor of maneuverability. It delivers outstanding cutting, with a 0-10,000 no-load rpm. And with the Bosch 18-Volt system, this tool can handle heavy-duty tasks on the job all day.

Bosch flexible power system

The Bosch Flexible Power System is one of the most versatile lithium-ion powered battery platforms available. This system offers complete compatibility by allowing 18-Volt FatPack or SlimPack batteries to be used with any tool. In addition, all 18-Volt batteries include CoolPack technology, which offers a heat conductive housing to keep batteries cooler for superior run time and up to 2X longer life. All batteries have incorporated Electronic Cell Protection that helps prevent overheating and overloading for extended tool life and runtime. Bosch 18-Volt batteries also provide cold weather performance that will work down to -4-Degree F and incorporate a battery fuel gauge.

Product Description

The Bosch GWS18V-45 18-Volt 4-1/2-Inch Angle Grinder is an ideal portable cordless grinder for electricians, plumbers and others who need professional power. With its four-brush motor design and optimized gear structure, it provides a 0-10,000 no-load rpm, to handle cutting and grinding applications. It features a two-position Vibration Control side handle for better handling and less operator fatigue. It is designed for long tool life, with Bosch's Electronic Cell Protection and Electronic Motor Protection, optimized brush design. For user protection, this cordless grinder was engineered with a tool-less quick-change, burst-resistant wheel guard and restart protection to avoid accidental startup.

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Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Bosch GWS18V-45 18V 4-1/2 In. Angle Grinder (Bare Tool)


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Important information

Wattage

0 watts

Bulb Voltage

18 volts

Customer reviews

4.5 out of 5 stars
4.5 out of 5
360 global ratings

Customers say

Customers like the quality, power, performance, and value of the disc grinder. For example, they mention it's well made, has plenty of speed, and works very well. That said, some complain about the battery.

AI-generated from the text of customer reviews

14 customers mention14 positive0 negative

Customers are satisfied with the quality of the disc grinder tool. They mention it's well-made, durable, and a great tool. Some say that it'll last a long time and is great for grinding.

"...It's great for an occasional user." Read more

"...Very happy with my purchase and the quality of this product!" Read more

"It’s good Bosch quality and made in Germany thats the good...." Read more

"I love Bosch 18 volt battery tools. This one is a great addition to my collection. It has way more power than I expected...." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the power of the disc grinder. They mention that it has more power than expected, has plenty of speed, and runs forever on a larger battery.

"Big Bosch fan and this grinder doesn't disappoint. Plenty of speed and power...." Read more

"It's powerful enough for what I need it for. I'm just an occasional user. This would be considered the base model of bosch18 v line of grinders...." Read more

"Very powerful, uses batteries from my other Bosch cordless tools...." Read more

"...Purchased to have in addition to my electric grinder and it is much more powerful. Very happy with my purchase and the quality of this product!" Read more

7 customers mention7 positive0 negative

Customers are satisfied with the performance of the disc grinder. They mention that it works well, is worth the price, and doesn't disappoint.

"Big Bosch fan and this grinder doesn't disappoint. Plenty of speed and power...." Read more

"Product work wellThere are 2 things that need to be aware of..." Read more

"Works fine. Power is good. Battery life is good for an occasional job away from an outlet. Will never replace an AC grinder for bigger jobs...." Read more

"...Works great." Read more

7 customers mention7 positive0 negative

Customers appreciate the value of the disc grinder tool. They mention that it has great quality and budget features.

"great price , fast delivery" Read more

"BEST VALUE FOR MONEY" Read more

"...Great price but to good to be true." Read more

"...Will never replace an AC grinder for bigger jobs. Price is great if you already have batteries and a charger." Read more

7 customers mention0 positive7 negative

Customers are dissatisfied with the battery of the disc grinder tool. They mention that it drains out in less than 5 minutes in heavy grinding, and the battery dies very fast when cutting. Some say that the tool does not come with a battery or charger.

"...It's a tad bulky and did not come with a battery, but not that much of a concern to subtract any stars. I love not being tethered to a cord!..." Read more

"...2AH battery is drain out in less than 5min in heavy grinding !!!Don’t buy if you don’t have 8AH battery or you will be running after the charger" Read more

"...Very disappointed with battery life. The tool would be great in every way if not for this issue...." Read more

"...34;Bare tool" means it does not include batteries or charger...." Read more

The keys for the wheel guard are on backwards
3 Stars
The keys for the wheel guard are on backwards
The wheel guard keys that you install it on by the spindle seem to be installed backwards.
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Top reviews from other countries

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Eber Macias 3322384005
5.0 out of 5 stars Mal desempeño
Reviewed in Mexico on June 1, 2023
Chris
5.0 out of 5 stars 4 1/2 18 V grinder
Reviewed in Canada on January 3, 2021
One person found this helpful
Report
MISAEL
5.0 out of 5 stars Muy puntual
Reviewed in Mexico on March 19, 2021
One person found this helpful
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Steeve
4.0 out of 5 stars Bon produit
Reviewed in Canada on October 23, 2019
Francis
5.0 out of 5 stars Bonne qualité prix.
Reviewed in Canada on May 13, 2022