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ISO 4759-3:2016

Tolerances for fasteners — Part 3: Washers for bolts, screws and nuts — Product grades A, C and F

Jun 1, 2016

General information

90.93     Jun 28, 2021

ISO

ISO/TC 2

International Standard

21.060.30  

English   French  

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Published

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Scope

ISO 4759-3:2016 specifies tolerances for flat washers of product grades A, C and F with nominal diameters of 1 mm to 150 mm inclusive, designed to be used in bolted joints in combination with bolts, screws, studs and nuts.
This part of ISO 4759 may be applied to non-flat washers however it does not include all the tolerances related to these washers.
It applies to non-captive and captive washers, and to standard and non-standard washers.
It does not apply to dynamic disc springs.
Washers of product grades F and A are intended to be used with bolts, screws, studs and nuts of product grades A and B; washers of product grade C are intended to be used with bolts, screws, studs and nuts of product grade C.
NOTE The product grade refers to a specific tolerance range related to dimensional and geometrical characteristics (product grade F for fine tolerances, product grade A for precise tolerances, product grade C for large tolerances).
Annex A presents tolerances taken from ISO 286‑1 and ISO 286‑2.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4759-3:2000

NOW

PUBLISHED
ISO 4759-3:2016
90.93 Standard confirmed
Jun 28, 2021

National adoptions

SRPS EN ISO 4759-3:2017  
ISS

Tolerances for fasteners - Part 3: Washers for bolts, screws and nuts - Product grades A, C and F (ISO 4759-3:2016)

60.60   Standard published

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