NoticeHardness class 21H corresponds to a hardness of 210 HV
The standard tip has an angle of 90°, but very short lengths have an angle of 120°.
Tip:
A2/A4 stainless steel set screws are not specially hardened and may be used for pulling loads.
ISO 4027 replaces DIN 914 | There is some similarity | Nominal diameters for M1.4, M1.8, M14, M18, M22 omitted | Hardness classes for stainless steels introduced.
