The hardness of the material of the working part of the key is 42 HRc (GOST requirements - 41–46 HRc), a reliable anti-corrosion coating of chromium.
The key has two annular gaps of different sizes. The annular throat profile has 12 faces, which increases the contact area of the working surfaces and reduces the risk of deformation of the fastener edges during installation.
Technical Specifications
The crank wrench is made of carbon steel.
The hardness of the material of the working part of the key is 42 HRc (GOST requirements - 41–46 HRc), a reliable anti-corrosion coating of chromium.
The key has two annular gaps of different sizes. The annular throat profile has 12 faces, which increases the contact area of the working surfaces and reduces the risk of deformation of the fastener edges during installation.