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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 23401–23450 of 25,000+ products

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

630-4431

ID (MM) 6.02
OD (MM) 14.402
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4432

ID (MM) 6.02
OD (MM) 15.748
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4433

ID (MM) 6.045
OD (MM) 11.1
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4434

ID (MM) 6.045
OD (MM) 14.275
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4435

ID (MM) 6.045
OD (MM) 14.275
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4436

ID (MM) 6.045
OD (MM) 15.9
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4437

ID (MM) 6.045
OD (MM) 17.45
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4438

ID (MM) 6.096
OD (MM) 7.798
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4439

ID (MM) 6.096
OD (MM) 7.874
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4440

ID (MM) 6.096
OD (MM) 7.925
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4441

ID (MM) 6.096
OD (MM) 8.001
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4442

ID (MM) 6.096
OD (MM) 10.033
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4443

ID (MM) 6.096
OD (MM) 14.3
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4444

ID (MM) 6.096
OD (MM) 14.3
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4445

ID (MM) 6.096
OD (MM) 21.844
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4446

ID (MM) 6.121
OD (MM) 9.906
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4447

ID (MM) 6.147
OD (MM) 8.915
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4448

ID (MM) 6.147
OD (MM) 12.573
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4449

ID (MM) 6.147
OD (MM) 12.7
Thickness (MM) 1.041
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4450

ID (MM) 6.172
OD (MM) 9.271
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4451

ID (MM) 6.172
OD (MM) 12.497
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4452

ID (MM) 6.198
OD (MM) 16.205
Thickness (MM) 1.626
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4453

ID (MM) 6.248
OD (MM) 7.62
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4454

ID (MM) 6.248
OD (MM) 22.022
Thickness (MM) 2.007
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4455

ID (MM) 6.274
OD (MM) 12.751
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4456

ID (MM) 6.274
OD (MM) 21.996
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4457

ID (MM) 6.299
OD (MM) 8.966
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4458

ID (MM) 6.299
OD (MM) 10.947
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4459

ID (MM) 6.299
OD (MM) 17.831
Thickness (MM) 1.93
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4460

ID (MM) 6.299
OD (MM) 19.025
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4461

ID (MM) 6.325
OD (MM) 12.497
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4462

ID (MM) 6.325
OD (MM) 12.7
Thickness (MM) 0.94
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4463

ID (MM) 6.325
OD (MM) 13.056
Thickness (MM) 0.864
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4464

ID (MM) 6.325
OD (MM) 16.231
Thickness (MM) 0.991
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4465

ID (MM) 6.325
OD (MM) 22.631
Thickness (MM) 0.991
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4466

ID (MM) 6.35
OD (MM) 8.331
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4467

ID (MM) 6.35
OD (MM) 8.357
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4468

ID (MM) 6.35
OD (MM) 8.357
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4469

ID (MM) 6.35
OD (MM) 9.627
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4470

ID (MM) 6.35
OD (MM) 22.885
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4471

ID (MM) 6.375
OD (MM) 7.442
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4472

ID (MM) 6.375
OD (MM) 7.544
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4473

ID (MM) 6.375
OD (MM) 7.62
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4474

ID (MM) 6.375
OD (MM) 7.823
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4475

ID (MM) 6.375
OD (MM) 7.823
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4476

ID (MM) 6.375
OD (MM) 7.925
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4477

ID (MM) 6.375
OD (MM) 7.925
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4478

ID (MM) 6.375
OD (MM) 8.179
Thickness (MM) 0.025
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4479

ID (MM) 6.375
OD (MM) 9.322
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4480

ID (MM) 6.375
OD (MM) 10.338
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity