Hexagon socket set screw with pin ISO 4028, A4 stainless steel, 21H, plain
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Hexagon socket set screw with pin ISO 4028, A4 stainless steel, 21H, plain
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Notice
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 4028 replaces DIN 915 | There is some similarity | Nominal diameters for M1.4, M1.8, M14, M18, M22 are removed | Hardness classes for stainless steels introduced.
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