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ISO/NP 3506-7

Fasteners — Mechanical properties of corrosion-resistant stainless-steel fasteners — Part 7: Flat washers with specified grades and property class

General information

10.20     Jul 13, 2021

ISO

ISO/TC 2

International Standard

Scope

This document specifies grades and mechanical and physical properties of flat washers made of austenitic, ferritic and duplex steel grades, designed to be used in bolted joints in combination with bolts, screws, studs and nuts with a specified property class in accordance with ISO 3506-1 and ISO 3506-2.
These types of washers may also be used with other fasteners such as screws forming their own mating thread
This part of ISO 3506 is applicable to the following flat captive and non captive washers made of corrosion-resistant stainless steel:
— plain washers (with or without knurls, ribs or chamfers);
— square washers;
— square hole washers;
— shaped plates.

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ISO/NP 3506-7
10.20 New project ballot initiated
Jul 13, 2021

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