The GWS 12 125 is an angle grinder that falls under the definition of a professional tool. This model was released in 2012. Manufacturers positioned their offspring as a new generation of grinders. It was stated that the tool was developed taking into account the wishes of users, so there will be no analogues to the equipment for a long time. Let's see how true this statement is. Note that the GWS 12 125 CIE is still in demand among buyers, and reviews about the tool are mostly positive.
Where applicable
BOSCH GWS 12 125 CI is designed to perform various repair and construction work. In particular, with the help of a grinder, you can cut a metal bar of round and square section, reinforcement, sheet steel, a professional pipe, a channel and a corner. Accordingly, the product can be used for work in auto repair shops, during the installation of metal structures, and is suitable for use in production workshops.
By installing the appropriate disc, the grinder can be used for chasing walls, processing bricks, concrete structures, ceramic tiles and porcelain stoneware. By replacing the disc with a brush, you can clean parts from traces of corrosion and paint residue. Polishing parts. In principle, this can be said about any grinder, however, it was this Bosch model that was considered the flagship of 2012.
Let's get to know the tool better.
Equipment
The GWS 12 125 CIE PROFESSIONAL comes standard with a tool storage case. The body of the case is made of durable plastic, equipped with reliable latches and a comfortable handle. At this stage, there are no complaints - the manufacturers took care of storing and carrying the tool. We open the case and get acquainted with the contents. It immediately catches the eye that the grinder is literally buried in its wardrobe trunk. There is a lot of free space, there is a pin for storing spare disks. This means that when carried, the cutting element will not roll around in a mess.
In its niche is directly the grinder, with an additional handle installed. The package includes a spare nut, a wrench to replace the disc and a user manual. Interestingly, there is a special mount for the instructions (on the opening cover of the case), and the key and nut simply lie in their compartment without fixing.
There are no complaints about the appearance of the angle grinder BOSCH GWS 12 125. Upon visual inspection, the model leaves only positive impressions. Large control keys, housing without visible backlash, protective cover, long power cord. The tool is quite light, does not pull the hand, the length of the model is only 30 centimeters. The body is made of impact-resistant plastic, there are ventilation holes for additional cooling of the engine. The nameplate says MADE IN GERMANY. This means that we are dealing with a purebred German, such models are of high build quality and wear resistance of the main components.
Technical specifications
Only an inveterate skeptic will complain about the appearance of the GWS 12 125 CI PROFESSIONAL. The tool has a thoughtful design, nothing more. Let's see how things are with the technical characteristics. Bosch specialists claim that their corner grinder has the following parameters:
- The power consumption of the tool is 1,200 W. We note right away that this is 100 W higher than that of models from other manufacturers of the same class. Accordingly, we are holding a high-performance product in our hands: a key parameter for a professional tool.
- Output power - 640 watts. Also a good indicator, indicating that the model can work for a long time at peak loads.
- The number of revolutions min / max - 2 800/11 500 rpm. Such a spread between the spindle speed significantly expands the list of work performed.In particular, it is possible to optimize the rotation speed with the strength of the material to be machined.
- The maximum disc diameter is 125 mm. It is strictly forbidden to exceed the values declared by the manufacturer. By the way, for a professional tool, the disc diameter is clearly too small.
- Seat - M14. If a disk with a large diameter of the seat is used for work, adapter rings will be required.
- Structural weight (without equipment) - 2.3 kg. If desired, you can work with one hand, although this is contrary to safety regulations.
Useful options
Even if you have purchased a heavy-duty tool, which has no analogues in nature, the inconvenience in operation will easily cross out all the technical characteristics. What does Bosch offer for convenient use of the tool? Consider the useful features that the BOSCH GWS 12 125 CIE grinder has.
- Smooth start. The engine gradually gains momentum, which significantly increases its working life.
- Six-speed spindle speed adjustment. This option helps to choose the optimal mode of operation depending on the building material. The regulator is located on an end face of the tool.
- Self-closing blocking. A very useful feature in terms of security.
- Rotation of the working part. The swivel head ensures comfortable operation for right-handers and left-handers. This option is not available on all models.
- Vibration reduction function. The option reduces the frequency of vibration vibrations that are transmitted from the tool to the hands. Accordingly, the hands do not get tired even during long and continuous work.
- Spindle lock. Thanks to this feature, a quick change of cutting and cleaning elements is achieved.
- SDS quick clamping nut. Provides disk change without the use of additional tools.
In principle, in terms of technical equipment, the GWS 12 125 CIE angle grinder looks impressive. The designers took care of the ease of use and did it at the highest level.
Advantages
To begin with, we give the positive aspects of using the tool, which are noted by customer reviews.
- Long cord. There is no need to be “tethered” to an electrical outlet and litter the work area with extension cords. In addition, the power cord is quite soft, so there is less risk of accidentally breaking the cord.
- Carrying case. Actually, it’s not the case itself that pleases, but the thoughtful interior space. Here you can easily place the number of spare disks you need for your work, while leaving room for other useful accessories.
- Compact dimensions and weight. Those who work as a grinder all the time appreciate these parameters.
- Build quality. Even with prolonged use, there are no cracks in the body and no backlash of the spindle. Accordingly, the accuracy of the work performed does not fall over time.
- Quick disk replacement. The SDS system is known even to non-professionals, so comments are superfluous.
- Extended functionality. The grinder lends itself to almost any building material.
Flaws
In terms of identified shortcomings, GWS 12 125 has nothing to “boast” about. Here's what users found:
- During operation, air and dust particles fly directly into the face. Perhaps the point lies in the incorrect installation of the protective cover, but buyers often note this point.
- Knocks out the start key. The weak point of many models of power tools, however, for the German assembly is a significant drawback.
- The lubricant in the gearbox is not properly distributed. By a strange coincidence, this model categorically refuses to supply lubricant to the gears of the gearbox.
- During operation, the temperature of the reducer rises. Experts say that this is a consequence of the wrong choice of the number of revolutions. However, it can be assumed that direct cooling of the engine simply does not do its job.
Conclusion
After analyzing the capabilities and technical characteristics of the GWS 12 125 CIE, we can conclude that the corner grinder is really intended for professional use. If you do not focus on technical issues, this is indicated by a quick-clamping nut and a spindle speed controller. For home use, these functions are useless: there is nowhere to rush, and the master can slowly select the optimal mode of operation or change the disk. However, if the grinder is needed to earn money, labor productivity plays a key role.
In addition, it is possible to single out the optimal combination of dimensions and structural weight. In combination with a vibration dampener, this ensures long-term operation, while the hands will not get tired. Note that Bosch offers an extended warranty for its products: for this you need to register on the manufacturer's website. In favor of the corner grinder is the fact that it still competes confidently with modern models (recall that the tool has been on sale since 2012!).
Some experts rate this model at 10 points out of 10. Such an assessment is a little overstated: the existing shortcomings are of a technical nature, which is unacceptable for MADE IN GERMANY. Therefore, well-deserved 9 points!