Home | Metric Standard Washers - ISO & DIN Specifications

Metric Standard Washers - ISO & DIN Specifications

Metric standard washers conform to ISO and DIN specifications for use in metric fastener assemblies worldwide. Superior Washer & Gasket Corp stocks and manufactures a comprehensive range of metric standard washers in steel, stainless steel, brass, copper, and nylon-ensuring the right washer for any metric application.

As an ISO 9001:2015 certified flat washer manufacturer, we supply metric washers for global OEM, industrial, and distribution customers with consistent dimensional accuracy and competitive pricing. Custom metric sizes and materials are available on request, with all products made in the U.S.A.

  • Full range of ISO and DIN metric standard washers
  • Steel, stainless steel, brass, copper, and nylon options
  • Custom metric washers to specification
  • ISO 9001:2015 certified quality management
  • Made in the U.S.A.

Showing 1–25 of 25 products

SKU ID OD Thickness Material Size Quantity

DIN-125-M1,6

ID 1.7
OD 4.0
Thickness 0.3
Material Any Material
Size 1.6
Quantity

DIN-125-M1,7

ID 1.8
OD 4.5
Thickness 0.3
Material Any Material
Size 1.7
Quantity

DIN-125-M10

ID 10.5
OD 21.0
Thickness 2.0
Material Any Material
Size 10
Quantity

DIN-125-M12

ID 13.0
OD 24.0
Thickness 2.5
Material Any Material
Size 12
Quantity

DIN-125-M14

ID 15.0
OD 28.0
Thickness 2.5
Material Any Material
Size 14
Quantity

DIN-125-M16

ID 17.0
OD 30.0
Thickness 3.0
Material Any Material
Size 16
Quantity

DIN-125-M18

ID 19.0
OD 34.0
Thickness 3.0
Material Any Material
Size 18
Quantity

DIN-125-M2

ID 2.2
OD 5.0
Thickness 0.3
Material Any Material
Size 2
Quantity

DIN-125-M2,3

ID 2.5
OD 6.0
Thickness 0.5
Material Any Material
Size 2.3
Quantity

DIN-125-M2,5

ID 2.7
OD 6.5
Thickness 0.5
Material Any Material
Size 2.5
Quantity

DIN-125-M2,6

ID 2.8
OD 7.0
Thickness 0.5
Material Any Material
Size 2.6
Quantity

DIN-125-M20

ID 21.0
OD 37.0
Thickness 3.0
Material Any Material
Size 20
Quantity

DIN-125-M22

ID 23.0
OD 39.0
Thickness 3.0
Material Any Material
Size 22
Quantity

DIN-125-M24

ID 25.0
OD 44.0
Thickness 4.0
Material Any Material
Size 24
Quantity

DIN-125-M26

ID 27.0
OD 50.0
Thickness 4.0
Material Any Material
Size 26
Quantity

DIN-125-M27

ID 28.0
OD 50.0
Thickness 4.0
Material Any Material
Size 27
Quantity

DIN-125-M28

ID 29.0
OD 50.0
Thickness 4.0
Material Any Material
Size 28
Quantity

DIN-125-M3

ID 3.2
OD 7.0
Thickness 0.5
Material Any Material
Size 3
Quantity

DIN-125-M3,5

ID 3.7
OD 8.0
Thickness 0.5
Material Any Material
Size 3.5
Quantity

DIN-125-M30

ID 31.0
OD 56.0
Thickness 4.0
Material Any Material
Size 30
Quantity

DIN-125-M4

ID 4.3
OD 9.0
Thickness 0.8
Material Any Material
Size 4
Quantity

DIN-125-M5

ID 5.3
OD 10.0
Thickness 1.0
Material Any Material
Size 5
Quantity

DIN-125-M6

ID 6.4
OD 12.5
Thickness 1.6
Material Any Material
Size 6
Quantity

DIN-125-M7

ID 7.4
OD 14.0
Thickness 1.6
Material Any Material
Size 7
Quantity

DIN-125-M8

ID 8.4
OD 17.0
Thickness 1.6
Material Any Material
Size 8
Quantity

Metric Standard Washer Frequently Asked Questions

Below are answers to some of the most common questions about metric standard washers.

What are metric standard washers?
Metric standard washers are flat washers manufactured to internationally recognized metric dimensional standards, including DIN 125, DIN 9021, ISO 7089, and ISO 7090. They are designed for use with metric fasteners (M2 through M30 and beyond) across industrial, commercial, automotive, and OEM applications worldwide. Superior Washer stocks 25 metric standard washer configurations covering a broad range of metric sizes and materials.

What is the difference between DIN 125 and DIN 9021 metric washers?
DIN 125 is the standard metric flat washer with a moderate outer diameter, providing general-purpose load distribution for metric bolt and nut assemblies. DIN 9021 is a large-OD metric washer with a significantly wider bearing surface, used when load must be spread over a larger area or when the mating material is soft or composite. DIN 9021 is the metric equivalent of a fender or structural washer.

What materials are your metric standard washers available in?
Metric standard washers are available in multiple materials. Contact us or use the product filter on this page to browse available materials for each metric standard size. Standard offerings include low carbon steel, stainless steel, brass, copper, and nylon in metric standard configurations.

What metric fastener sizes do your standard washers fit?
Superior Washer metric standard washers are available in sizes to fit metric fasteners from M2 through M30, with both narrow (DIN 125) and wide-OD (DIN 9021) configurations. Specific ID, OD, and thickness dimensions are listed in the product catalog on this page.

Can you produce custom metric standard washers?
Yes. We manufacture custom metric washers to any OD, ID, and thickness specification in millimeters. Custom metric sizes not covered by DIN or ISO standards are produced to your print or specification. Contact us via the Quick Quote form or call NY (631) 273-8282 or SC (803) 366-3250.

Are your metric standard washers made in the USA?
Yes. All metric standard washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System. Material certifications are available upon request.

Beyond metric standard sizing, we offer materials and configurations for nearly any application. Browse the full flat washers catalog to see everything available.