ISO 7089:2000 - $45.00   BUY NOW

Plain washers -- Normal series -- Product grade A

ISO 7089:2000 Publication Description:

This International Standard specifies the characteristics of normal-series, product-grade-A plain washers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 64 mm inclusive.

Washers of hardness class 200 HV are suitable for

  • hexagon bolts and screws of product grades A and B in property classes up to and including 8.8;
  • hexagon nuts of product grades A and B in property classes up to and including 8;
  • hexagon bolts, screws and nuts of stainless steel of similar chemical composition;
  • case-hardened thread rolling screws.

Washers of hardness class 300 HV are suitable for

  • hexagon bolts and screws of product grades A and B in property classes up to and including 10.9;
  • hexagon nuts of product grades A and B in property classes up to and including 10.

If dimensions other than those listed in this International Standard are required, they should be selected from those given in ISO 887.

When soft material pieces are clamped, or large clearance holes in the workpiece are used, the user should check the technical suitability of this type of washer.

International Classification for Standards (ICS)

ICS Classification Field ICS Field Sub-Group and Number
ICS-21-Mechanical ICS Washers (21.060.30)

ICS Related Standards

Cart Document Number Document Title
$68.00 ISO 10644:2009 Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV
$45.00 ISO 10669:1999 Plain washers for tapping screw and washer assemblies - Normal and large series - Product grade A
$68.00 ISO 10673:2009 Plain washers for screw and washer assemblies - Small, normal and large series - Product grade A
$68.00 ISO 4759-3:2016 Tolerances for fasteners - Part 3: Washers for bolts, screws and nuts - Product grades A, C and F
$51.00 ISO 4759-3:2000 Tolerances for fasteners -- Part 3: Plain washers for bolts, screws and nuts -- Product grades A and C
$45.00 ISO 7090:2000 Plain washers, chamfered -- Normal series -- Product grade A
$45.00 ISO 7091:2000 Plain washers -- Normal series -- Product grade C
$45.00 ISO 7092:2000 Plain washers -- Small series -- Product grade A
$45.00 ISO 7093-1:2000 Plain washers -- Large series -- Part 1: Product grade A
$45.00 ISO 7093-2:2000 Plain washers -- Large series -- Part 2: Product grade C
$45.00 ISO 7094:2000 Plain washers -- Extra large series -- Product grade C
$45.00 ISO 8738:1986 Plain washers for clevis pins - Product grade A
$68.00 ISO 887:2000 Plain washers for metric bolts, screws and nuts for general purposes -- General plan
$49.00 JIS B 1022:2008 Tolerances for fasteners -- Part 3: Plain washers for bolts, screws and nuts -- Product grades A and C
$49.00 JIS B 1130:2012 Screw and washer assemblies made of steel with plain washers -- Washer hardness classes 200 HV and 300 HV
$68.00 JIS B 1251:2001 Spring lock washers
$97.00 JIS B 1256:2008 Plain washers
$49.00 JIS B 1257:2004 Plain washers for tapping screw and washer assemblies -- Normal and large series -- Product grade A
$39.00 JIS B 1258:2012 Plain washers for screw and washer assemblies -- Small, normal and large series -- Product grade A