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It consists of an abrasive material reinforced with a reinforced mesh. This technology prevents fragmentation of the fragments when the disk is damaged. All of them differ in external diameter (from 115mm to 230mm). The diameter of the circle should correspond to the ESM, which is very important when cutting. When buying, pay attention to the thickness of the disc. There is such a position of experts: the more powerful the metal, the abrasive wheel should be thicker (from 1.6 mm to 3 mm), which leads to less abrasion, and, consequenФtly, to longer and more productive work. Thin metal can be cut with a thickness of 1mm to 1.6mm. When working with thin circles, take special care, especially beginners! Do not press on the circle when working! Never remove the protective cover from the calf, in the event of a disc flying, the hands and other parts of the body will not suffer.

Such circles can be used with reinforcement, metal corners, profile pipes, sheet metal.



Cutting discs for metal for Bulgaria Ukraine


In the rich market of power tools is very prominent among the diversity of the USM (Bulgarian). The list of works that are performed by this tool is incalculable. But the main function is still there - cutting metals and other hard materials. And the main assistant in cutting is the cutting circle. If you need to cut only metal, then the circle should be chosen for metal (see marking). Cutting discs for metal differ in diameter and thickness.

In the production of abrasive discs, high-quality abrasive material and reliable bonding components are used that allow intensive work around without losing quality.

Most of the circles represented in the store are built on the basis of a backlit binder, which provides mechanical strength, high speed and excellent cutting without chipping.

Each of the discs is labeled for diameter, grain, thickness and hardness.

All types of discs are used for processing of non-ferrous and ferrous metals, as well as alloy steel.



How to choose the diameter of the cutting circle for metal


To buy a cut-off wheel for metal of the desired diameter, you need to know the model of the USM, on which you need a disk. If the Bulgarian is 125, then the disk should also be 125 mm in diameter. Some masters do not adhere to this formula and put small disks with large diameters on small Bulgarians, while removing protection from the UWB. We strongly do not recommend such actions, as they can lead to injuries. 

All abrasive disks differ in external diameter and are 115 mm, 125 mm, 150 mm, 180 mm, 230 mm and more. When buying a cut-off disc, pay attention to its thickness. There is such a position of experts: the more powerful the metal, the cut-off circle should be thicker (from 1.6 mm to 3 mm). This leads to less abrasion, and, consequently, to longer and more productive work. Thin metal can be cut with discs from 1 mm to 1.6 mm thick.

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Safety instructions and restrictions of use

Read the instructions!

Wear safety gloves!

Wear safety glasses!

Wear a dust mask!

Use ear muffs

Do not use for side grinding!



Type 41; 42; 1; 27
Dimension, mm

D – diameter;

T – thickness for 41 and 1;

U – thickness for 42 and 27;

H – hole

Type abrasive

А (14А) – brown fused aluminium oxide;

(54С) – black silicon carbide

Grain size












Bond ВF – reinforced bakelite bond

M – metals;

NM – non-metals

Maximum operating speed 80 m/s


Maximum operation speed

Maximum operating speed of wheel in meters per second and revolution per minute (RPM)
Diameter, D, mm Maximum operating operating speed, m/s
RPM, 1/min
115 13300
125 12250
150 10200
180 8500
200 7650
230 6650
250 6150
300 5100
350 4400
400 3850


Color stripes on wheel label

Color stripes on wheel label
Maximum operating peripheral speed Color
80 m/s Red



Conversion hardness standard
GOST 35 35 37 37 39 39-41 41-43