UNI EN ISO 7090 : 2001
Current
The latest, up-to-date edition.
07-31-2001
Characteristics of normal-series, product-grade-A plain washers chamfered at the outside diameter, in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameter) ranging from 5 mm to 64 mm inclusive. 200 HV are suitable for: bolts and screws of grades A & B/property classes up to/incl 8.8; nuts of grades A & B/property classes up to/incl. 8; bolts, screws and nuts of stainless steel of similar chemical compositions; case hardened thread rolling screws. 300 HV are suitable for bolts and screws of product grades A & B/property classes up to/ incl. 10. Dimensions other than those in this standard should be selected from those given in ISO 887.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.