Adapter is made by the cold stamping method of the tool steel CrV50BV30, hardened to 45-47 HRC and protected against corrosion by the chromium plating.
It is used for working with mounting bolts of cylinder head VW-Audi V6 and 4-cylinder 20-valve engines.
Functional analogue of the original device T1..
Bits are made from S2 tool steel by the cold stamping method with subsequent hardening to 55-60 HRC and protected from corrosion by phosphatizing.
Se..