Hardness class 21H corresponds to a hardness of 210 HV
Tip:
A2/A4 stainless steel set screws are not specially hardened and may be used for tensile loads.
ISO 4026 replaces DIN 913 | There is some similarity | Nominal diameters for M1.4, M1.8, M14, M18, M22 are removed | Hardness classes for stainless steels introduced.
Würth Catalogue(2)
Catalogue page as PDF 1 | 2 | 3
Flip catalog
Datasheets(1)
CAD Data (available after login)
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