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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 24401–24450 of 25,000+ products

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

630-5431

ID (MM) 8.357
OD (MM) 23.774
Thickness (MM) 0.838
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5432

ID (MM) 8.357
OD (MM) 26.873
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5433

ID (MM) 8.357
OD (MM) 34.9
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5434

ID (MM) 8.382
OD (MM) 11.125
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5435

ID (MM) 8.382
OD (MM) 12.243
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5436

ID (MM) 8.382
OD (MM) 12.573
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5437

ID (MM) 8.382
OD (MM) 12.598
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5438

ID (MM) 8.382
OD (MM) 12.7
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5439

ID (MM) 8.382
OD (MM) 13.284
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5440

ID (MM) 8.382
OD (MM) 13.513
Thickness (MM) 0.432
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5441

ID (MM) 8.382
OD (MM) 14.249
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5442

ID (MM) 8.382
OD (MM) 16.053
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5443

ID (MM) 8.382
OD (MM) 17.526
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5444

ID (MM) 8.382
OD (MM) 18.948
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5445

ID (MM) 8.382
OD (MM) 18.999
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5446

ID (MM) 8.382
OD (MM) 19.228
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5447

ID (MM) 8.382
OD (MM) 20.32
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5448

ID (MM) 8.382
OD (MM) 20.599
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5449

ID (MM) 8.382
OD (MM) 22.2
Thickness (MM) 0.838
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5450

ID (MM) 8.382
OD (MM) 23.876
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5451

ID (MM) 8.382
OD (MM) 27.381
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5452

ID (MM) 8.382
OD (MM) 34.9
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5453

ID (MM) 8.382
OD (MM) 38.1
Thickness (MM) 2.972
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5454

ID (MM) 8.382
OD (MM) 41.3
Thickness (MM) 1.803
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5455

ID (MM) 8.407
OD (MM) 15.875
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5456

ID (MM) 8.407
OD (MM) 15.977
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5457

ID (MM) 8.407
OD (MM) 17.399
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5458

ID (MM) 8.407
OD (MM) 21.971
Thickness (MM) 4.572
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5459

ID (MM) 8.407
OD (MM) 22.962
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5460

ID (MM) 8.407
OD (MM) 25.349
Thickness (MM) 2.159
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5461

ID (MM) 8.407
OD (MM) 27.0
Thickness (MM) 2.311
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5462

ID (MM) 8.407
OD (MM) 31.699
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5463

ID (MM) 8.433
OD (MM) 15.062
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5464

ID (MM) 8.433
OD (MM) 18.948
Thickness (MM) 2.311
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5465

ID (MM) 8.433
OD (MM) 20.498
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5466

ID (MM) 8.433
OD (MM) 21.565
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5467

ID (MM) 8.433
OD (MM) 22.225
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5468

ID (MM) 8.433
OD (MM) 26.975
Thickness (MM) 2.159
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5469

ID (MM) 8.458
OD (MM) 14.402
Thickness (MM) 0.305
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5470

ID (MM) 8.458
OD (MM) 15.824
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5471

ID (MM) 8.458
OD (MM) 16.002
Thickness (MM) 2.921
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5472

ID (MM) 8.458
OD (MM) 16.967
Thickness (MM) 0.965
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5473

ID (MM) 8.458
OD (MM) 17.755
Thickness (MM) 2.591
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5474

ID (MM) 8.458
OD (MM) 19.101
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5475

ID (MM) 8.458
OD (MM) 20.98
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5476

ID (MM) 8.484
OD (MM) 15.113
Thickness (MM) 1.041
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5477

ID (MM) 8.484
OD (MM) 15.977
Thickness (MM) 2.743
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5478

ID (MM) 8.484
OD (MM) 21.946
Thickness (MM) 2.997
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5479

ID (MM) 8.534
OD (MM) 11.151
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5480

ID (MM) 8.56
OD (MM) 12.725
Thickness (MM) 1.422
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity