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ISO/CD 26453

Fasteners — Flat washers with inside chamfer of medium series — Product grade A

General information

30.00     Sep 24, 2026

ISO

ISO/TC 2

International Standard

Scope

This document specifies the characteristics of flat washers with inside chamfer of the medium series and product grade A:
• made of steel, with property classes 200HV, 300HV and 380HV, with nominal diameters 1,6 mm to 100 mm;
• made of stainless steel with property classes 200HV and 300HV, with nominal diameters 1,6 mm to 39 mm; however dimensions above 39 mm and up to 100 mm are possible by agreement between the purchaser and the supplier

Life cycle

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PROJECT
ISO/CD 26453
30.00 Committee draft (CD) registered
Sep 24, 2026