NF E25-536:2017
Fasteners - Serrated washers with internal and external teeth - Flat shape - Symbol DD

Standard No.

NF E25-536:2017

Release Date

2017

Published By

Association Francaise de Normalisation

Latest

NF E25-536:2017

Replace

NF E27-626:1982

Scope

This document specifies the dimensions and characteris ics of double-toothed steel washers (overlapping outer teeth and overlapping inner teeth) of planar shape, and defines the tests to be carried out.

NF E25-536:2017 Referenced Document

• NF EN 20273 Fixing elements - Passage holes for screws
• NF EN ISO 3269 Fixations - Contrôle réception*， 2019-09-18 Update
• NF EN ISO 4042 Fasteners - Electroplated Coating Systems*， 2022-06-15 Update
• NF EN ISO 6507-1 *， 2018-03-07 Update
• NF EN ISO 898-1 Mechanical characteristics of carbon steel and alloy steel fasteners - Part 1: screws, studs and threaded rods of specified quality classes - Coarse pitch threads and fine pitch threads
• NF EN ISO 898-2 Fasteners - Mechanical characteristics of carbon steel and alloy steel fasteners - Part 2: nuts of specified quality classes*， 2022-10-26 Update

NF E25-536:2017 history

• 2017 NF E25-536:2017 Fasteners - Serrated washers with internal and external teeth - Flat shape - Symbol DD
• 1982 NF E27-626:1982 Serrated lock washers. Double row of teeth. Plain form.
• 0000 NF E27-618:1956