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Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

  • Standard and custom flat washer sizes in stock
  • Wide selection of materials including stainless steel, brass, aluminum, and nylon
  • ISO 9001:2015 certified manufacturing and quality control
  • Custom flat washers produced to print or sample
  • Competitive pricing with fast turnaround

Showing 23901–23950 of 25,000+ products

SKU ID (MM) OD (MM) Thickness (MM) Material ID MM TOL OD MM TOL Quantity

630-4931

ID (MM) 6.807
OD (MM) 11.125
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4932

ID (MM) 6.807
OD (MM) 11.125
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4933

ID (MM) 6.807
OD (MM) 11.557
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4934

ID (MM) 6.807
OD (MM) 11.938
Thickness (MM) 0.914
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4935

ID (MM) 6.807
OD (MM) 12.471
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4936

ID (MM) 6.807
OD (MM) 12.573
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4937

ID (MM) 6.807
OD (MM) 12.573
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4938

ID (MM) 6.807
OD (MM) 12.7
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4939

ID (MM) 6.807
OD (MM) 12.7
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4940

ID (MM) 6.807
OD (MM) 13.081
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4941

ID (MM) 6.807
OD (MM) 13.462
Thickness (MM) 1.397
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4942

ID (MM) 6.807
OD (MM) 14.249
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4943

ID (MM) 6.807
OD (MM) 14.249
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4944

ID (MM) 6.807
OD (MM) 14.275
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4945

ID (MM) 6.807
OD (MM) 14.427
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4946

ID (MM) 6.807
OD (MM) 15.469
Thickness (MM) 2.464
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4947

ID (MM) 6.807
OD (MM) 15.773
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4948

ID (MM) 6.807
OD (MM) 15.85
Thickness (MM) 2.946
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4949

ID (MM) 6.807
OD (MM) 15.875
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4950

ID (MM) 6.807
OD (MM) 15.9
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4951

ID (MM) 6.807
OD (MM) 16.027
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4952

ID (MM) 6.807
OD (MM) 17.272
Thickness (MM) 1.321
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4953

ID (MM) 6.807
OD (MM) 17.374
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4954

ID (MM) 6.807
OD (MM) 17.424
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4955

ID (MM) 6.807
OD (MM) 18.644
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4956

ID (MM) 6.807
OD (MM) 18.644
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4957

ID (MM) 6.807
OD (MM) 19.075
Thickness (MM) 2.235
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4958

ID (MM) 6.807
OD (MM) 19.101
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4959

ID (MM) 6.807
OD (MM) 19.101
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4960

ID (MM) 6.807
OD (MM) 21.438
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4961

ID (MM) 6.807
OD (MM) 21.438
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4962

ID (MM) 6.807
OD (MM) 21.438
Thickness (MM) 2.642
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4963

ID (MM) 6.807
OD (MM) 22.2
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4964

ID (MM) 6.807
OD (MM) 22.225
Thickness (MM) 3.048
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4965

ID (MM) 6.807
OD (MM) 25.324
Thickness (MM) 0.102
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4966

ID (MM) 6.807
OD (MM) 25.349
Thickness (MM) 2.997
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4967

ID (MM) 6.807
OD (MM) 25.375
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4968

ID (MM) 6.807
OD (MM) 25.4
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4969

ID (MM) 6.807
OD (MM) 27.356
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4970

ID (MM) 6.807
OD (MM) 47.65
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4971

ID (MM) 6.833
OD (MM) 8.941
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4972

ID (MM) 6.833
OD (MM) 12.675
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4973

ID (MM) 6.833
OD (MM) 14.249
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4974

ID (MM) 6.833
OD (MM) 14.249
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4975

ID (MM) 6.833
OD (MM) 14.275
Thickness (MM) 1.295
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4976

ID (MM) 6.833
OD (MM) 14.3
Thickness (MM) 0.991
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4977

ID (MM) 6.833
OD (MM) 15.85
Thickness (MM) 0.356
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4978

ID (MM) 6.833
OD (MM) 17.399
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4979

ID (MM) 6.833
OD (MM) 17.45
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4980

ID (MM) 6.833
OD (MM) 19.05
Thickness (MM) 2.972
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity