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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 23601–23650 of 25,000+ products

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

630-4631

ID (MM) 6.502
OD (MM) 9.398
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4632

ID (MM) 6.502
OD (MM) 9.55
Thickness (MM) 0.533
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4633

ID (MM) 6.502
OD (MM) 9.652
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4634

ID (MM) 6.502
OD (MM) 9.957
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4635

ID (MM) 6.502
OD (MM) 11.938
Thickness (MM) 1.727
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4636

ID (MM) 6.502
OD (MM) 12.624
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4637

ID (MM) 6.502
OD (MM) 12.649
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4638

ID (MM) 6.502
OD (MM) 12.675
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4639

ID (MM) 6.502
OD (MM) 12.979
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4640

ID (MM) 6.502
OD (MM) 14.275
Thickness (MM) 1.905
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4641

ID (MM) 6.502
OD (MM) 15.265
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4642

ID (MM) 6.502
OD (MM) 17.932
Thickness (MM) 4.115
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4643

ID (MM) 6.502
OD (MM) 19.939
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4644

ID (MM) 6.502
OD (MM) 20.726
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4645

ID (MM) 6.502
OD (MM) 25.375
Thickness (MM) 1.905
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4646

ID (MM) 6.502
OD (MM) 27.407
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4647

ID (MM) 6.502
OD (MM) 38.075
Thickness (MM) 0.559
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4648

ID (MM) 6.502
OD (MM) 38.125
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4649

ID (MM) 6.502
OD (MM) 50.114
Thickness (MM) 1.854
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4650

ID (MM) 6.528
OD (MM) 10.287
Thickness (MM) 1.651
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4651

ID (MM) 6.528
OD (MM) 11.1
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4652

ID (MM) 6.528
OD (MM) 11.481
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4653

ID (MM) 6.528
OD (MM) 12.446
Thickness (MM) 2.184
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4654

ID (MM) 6.528
OD (MM) 12.573
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4655

ID (MM) 6.528
OD (MM) 12.573
Thickness (MM) 2.362
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4656

ID (MM) 6.528
OD (MM) 12.598
Thickness (MM) 0.711
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4657

ID (MM) 6.528
OD (MM) 12.725
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4658

ID (MM) 6.528
OD (MM) 12.751
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4659

ID (MM) 6.528
OD (MM) 14.3
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4660

ID (MM) 6.528
OD (MM) 15.24
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4661

ID (MM) 6.528
OD (MM) 15.875
Thickness (MM) 2.235
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4662

ID (MM) 6.528
OD (MM) 17.297
Thickness (MM) 1.397
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4663

ID (MM) 6.528
OD (MM) 25.349
Thickness (MM) 0.152
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4664

ID (MM) 6.528
OD (MM) 33.401
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4665

ID (MM) 6.553
OD (MM) 8.382
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4666

ID (MM) 6.553
OD (MM) 8.89
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4667

ID (MM) 6.553
OD (MM) 8.89
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4668

ID (MM) 6.553
OD (MM) 9.5
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4669

ID (MM) 6.553
OD (MM) 9.728
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4670

ID (MM) 6.553
OD (MM) 10.566
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4671

ID (MM) 6.553
OD (MM) 11.125
Thickness (MM) 0.864
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4672

ID (MM) 6.553
OD (MM) 12.7
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4673

ID (MM) 6.553
OD (MM) 12.7
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4674

ID (MM) 6.553
OD (MM) 13.97
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4675

ID (MM) 6.553
OD (MM) 14.199
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4676

ID (MM) 6.553
OD (MM) 14.351
Thickness (MM) 1.956
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4677

ID (MM) 6.553
OD (MM) 15.85
Thickness (MM) 0.838
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4678

ID (MM) 6.553
OD (MM) 15.951
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4679

ID (MM) 6.553
OD (MM) 17.501
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4680

ID (MM) 6.553
OD (MM) 17.653
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity