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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 23551–23600 of 25,000+ products

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

630-4581

ID (MM) 6.452
OD (MM) 11.1
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4582

ID (MM) 6.452
OD (MM) 11.455
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4583

ID (MM) 6.452
OD (MM) 11.455
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4584

ID (MM) 6.452
OD (MM) 12.497
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4585

ID (MM) 6.452
OD (MM) 12.573
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4586

ID (MM) 6.452
OD (MM) 12.573
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4587

ID (MM) 6.452
OD (MM) 12.7
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4588

ID (MM) 6.452
OD (MM) 12.954
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4589

ID (MM) 6.452
OD (MM) 13.437
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4590

ID (MM) 6.452
OD (MM) 14.275
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4591

ID (MM) 6.452
OD (MM) 14.275
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4592

ID (MM) 6.452
OD (MM) 15.037
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4593

ID (MM) 6.452
OD (MM) 15.113
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4594

ID (MM) 6.452
OD (MM) 15.672
Thickness (MM) 0.483
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4595

ID (MM) 6.452
OD (MM) 15.773
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4596

ID (MM) 6.452
OD (MM) 15.85
Thickness (MM) 2.972
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4597

ID (MM) 6.452
OD (MM) 15.875
Thickness (MM) 0.61
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4598

ID (MM) 6.452
OD (MM) 16.535
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4599

ID (MM) 6.452
OD (MM) 17.475
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4600

ID (MM) 6.452
OD (MM) 18.644
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4601

ID (MM) 6.452
OD (MM) 19.914
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4602

ID (MM) 6.452
OD (MM) 19.05
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4603

ID (MM) 6.452
OD (MM) 23.774
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4604

ID (MM) 6.452
OD (MM) 25.324
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4605

ID (MM) 6.452
OD (MM) 25.4
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4606

ID (MM) 6.452
OD (MM) 28.575
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4607

ID (MM) 6.452
OD (MM) 31.725
Thickness (MM) 0.991
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4608

ID (MM) 6.452
OD (MM) 34.9
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4609

ID (MM) 6.452
OD (MM) 34.925
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4610

ID (MM) 6.452
OD (MM) 55.499
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4611

ID (MM) 6.477
OD (MM) 9.373
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4612

ID (MM) 6.477
OD (MM) 9.398
Thickness (MM) 0.864
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4613

ID (MM) 6.477
OD (MM) 9.5
Thickness (MM) 0.178
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4614

ID (MM) 6.477
OD (MM) 9.525
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4615

ID (MM) 6.477
OD (MM) 9.525
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4616

ID (MM) 6.477
OD (MM) 10.185
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4617

ID (MM) 6.477
OD (MM) 10.719
Thickness (MM) 0.025
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4618

ID (MM) 6.477
OD (MM) 10.719
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4619

ID (MM) 6.477
OD (MM) 10.973
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4620

ID (MM) 6.477
OD (MM) 11.201
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4621

ID (MM) 6.477
OD (MM) 11.557
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4622

ID (MM) 6.477
OD (MM) 12.649
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4623

ID (MM) 6.477
OD (MM) 13.005
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4624

ID (MM) 6.477
OD (MM) 14.021
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4625

ID (MM) 6.477
OD (MM) 14.326
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4626

ID (MM) 6.477
OD (MM) 25.425
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4627

ID (MM) 6.477
OD (MM) 27.178
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4628

ID (MM) 6.502
OD (MM) 9.398
Thickness (MM) 0.025
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4629

ID (MM) 6.502
OD (MM) 9.398
Thickness (MM) 0.203
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4630

ID (MM) 6.502
OD (MM) 9.398
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity