DIN 522

Metal washers – Technical delivery conditions

English 1990
0.000
DIN
Detailed Information

This standard specifies requirements for metal washers manufactured by stamping (punching) which thus exhibit inside and outside rollover and fracture (cf. DIN6930 Part 2 and DIN6932). It does not cover washers manufactured by machining (e.g. by drilling or turning).

This standard specifies tolerances and limit deviations for washers the preferred application of which is in bolt/nut assemblies. These tolerances are to be used in standards dealing with product grades F, A and C washers designed for bolts, screws and nuts with nominal thread diameters from 1mm to 160mm.

In product standards, deviations from the tolerances specified here are permitted only where technical reasons so require. It is recommended that these tolerances also be used for nonstandard washers. In cases where the maximum material principle as described in ISO 2692 applies, tolerances other than specified may be used.

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