Product Description
Keys are made of chrome vanadium steel.
The hardness of the material of the working part of the key is 45 HRC (GOST requirements - 45-51 HRC).
Keys have a matte chrome-nickel coating.
The annular shed profile has 12 edges, which increases the contact area of the working surfaces and reduces the risk of deformation of the fastener edges during installation.
he annular shed tilt angle relative to the key plane of 15 degrees makes installation more convenient.
Supplied complete with a trapezoidal plastic holder.
Set For mounting and dismounting threaded connections.