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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 23701–23750 of 25,000+ products

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

630-4731

ID (MM) 6.629
OD (MM) 9.652
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4732

ID (MM) 6.629
OD (MM) 12.065
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4733

ID (MM) 6.629
OD (MM) 12.725
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4734

ID (MM) 6.629
OD (MM) 14.097
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4735

ID (MM) 6.629
OD (MM) 14.453
Thickness (MM) 0.94
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4736

ID (MM) 6.629
OD (MM) 15.545
Thickness (MM) 2.21
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4737

ID (MM) 6.629
OD (MM) 15.672
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4738

ID (MM) 6.629
OD (MM) 15.875
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4739

ID (MM) 6.629
OD (MM) 17.475
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4740

ID (MM) 6.629
OD (MM) 19.025
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4741

ID (MM) 6.629
OD (MM) 19.101
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4742

ID (MM) 6.629
OD (MM) 22.174
Thickness (MM) 1.829
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4743

ID (MM) 6.629
OD (MM) 25.349
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4744

ID (MM) 6.629
OD (MM) 27.381
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4745

ID (MM) 6.629
OD (MM) 34.9
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4746

ID (MM) 6.655
OD (MM) 8.128
Thickness (MM) 0.61
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4747

ID (MM) 6.655
OD (MM) 8.331
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4748

ID (MM) 6.655
OD (MM) 8.433
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4749

ID (MM) 6.655
OD (MM) 9.83
Thickness (MM) 0.914
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4750

ID (MM) 6.655
OD (MM) 10.719
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4751

ID (MM) 6.655
OD (MM) 12.649
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4752

ID (MM) 6.655
OD (MM) 14.249
Thickness (MM) 0.965
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4753

ID (MM) 6.655
OD (MM) 15.875
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4754

ID (MM) 6.655
OD (MM) 15.875
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4755

ID (MM) 6.655
OD (MM) 17.45
Thickness (MM) 1.168
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4756

ID (MM) 6.655
OD (MM) 17.678
Thickness (MM) 1.346
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4757

ID (MM) 6.655
OD (MM) 18.872
Thickness (MM) 0.533
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4758

ID (MM) 6.655
OD (MM) 18.974
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4759

ID (MM) 6.655
OD (MM) 25.349
Thickness (MM) 3.302
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4760

ID (MM) 6.655
OD (MM) 27.407
Thickness (MM) 0.483
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4761

ID (MM) 6.68
OD (MM) 9.169
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4762

ID (MM) 6.68
OD (MM) 9.525
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4763

ID (MM) 6.68
OD (MM) 9.728
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4764

ID (MM) 6.68
OD (MM) 12.497
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4765

ID (MM) 6.68
OD (MM) 14.021
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4766

ID (MM) 6.68
OD (MM) 14.275
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4767

ID (MM) 6.68
OD (MM) 16.002
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4768

ID (MM) 6.68
OD (MM) 17.399
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4769

ID (MM) 6.68
OD (MM) 18.872
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4770

ID (MM) 6.68
OD (MM) 19.05
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4771

ID (MM) 6.68
OD (MM) 21.996
Thickness (MM) 3.404
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4772

ID (MM) 6.68
OD (MM) 24.054
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4773

ID (MM) 6.68
OD (MM) 25.4
Thickness (MM) 1.854
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4774

ID (MM) 6.68
OD (MM) 26.949
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4775

ID (MM) 6.68
OD (MM) 38.1
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4776

ID (MM) 6.68
OD (MM) 66.65
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4777

ID (MM) 6.706
OD (MM) 9.423
Thickness (MM) 0.178
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4778

ID (MM) 6.706
OD (MM) 10.312
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4779

ID (MM) 6.706
OD (MM) 11.024
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4780

ID (MM) 6.706
OD (MM) 11.887
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity