Home | Flat Washers in Every Size, Material & Tolerance

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 401–450 of 25,000+ products

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

175-2490

ID (MM) 16.053
OD (MM) 22.327
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2491

ID (MM) 16.053
OD (MM) 37.973
Thickness (MM) 0.787
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2492

ID (MM) 16.078
OD (MM) 19.38
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2493

ID (MM) 16.078
OD (MM) 30.556
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2494

ID (MM) 16.154
OD (MM) 22.2
Thickness (MM) 1.473
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2495

ID (MM) 16.205
OD (MM) 21.819
Thickness (MM) 1.956
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2496

ID (MM) 16.281
OD (MM) 20.574
Thickness (MM) 2.007
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2497

ID (MM) 16.281
OD (MM) 22.149
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2498

ID (MM) 16.281
OD (MM) 23.8
Thickness (MM) 0.508
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2499

ID (MM) 16.332
OD (MM) 18.999
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2500

ID (MM) 16.662
OD (MM) 19.38
Thickness (MM) 1.549
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2501

ID (MM) 16.739
OD (MM) 31.75
Thickness (MM) 1.549
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2502

ID (MM) 16.916
OD (MM) 22.225
Thickness (MM) 1.6
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2503

ID (MM) 17.399
OD (MM) 23.8
Thickness (MM) 3.175
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2504

ID (MM) 17.399
OD (MM) 37.998
Thickness (MM) 2.362
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2505

ID (MM) 17.526
OD (MM) 22.123
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2506

ID (MM) 17.526
OD (MM) 23.8
Thickness (MM) 3.175
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2507

ID (MM) 17.526
OD (MM) 25.4
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2508

ID (MM) 17.526
OD (MM) 38.125
Thickness (MM) 2.388
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2509

ID (MM) 17.551
OD (MM) 25.4
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2510

ID (MM) 17.653
OD (MM) 22.276
Thickness (MM) 0.787
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2511

ID (MM) 18.059
OD (MM) 24.638
Thickness (MM) 1.27
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2512

ID (MM) 18.288
OD (MM) 26.924
Thickness (MM) 2.362
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2513

ID (MM) 19.101
OD (MM) 25.857
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2514

ID (MM) 19.126
OD (MM) 23.774
Thickness (MM) 0.864
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2515

ID (MM) 19.177
OD (MM) 28.575
Thickness (MM) 1.6
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2516

ID (MM) 19.355
OD (MM) 25.806
Thickness (MM) 2.032
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2517

ID (MM) 19.482
OD (MM) 33.325
Thickness (MM) 2.134
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2518

ID (MM) 19.507
OD (MM) 26.873
Thickness (MM) 1.27
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2519

ID (MM) 19.507
OD (MM) 33.325
Thickness (MM) 2.362
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2520

ID (MM) 19.533
OD (MM) 38.024
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2521

ID (MM) 19.914
OD (MM) 38.151
Thickness (MM) 1.27
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2522

ID (MM) 20.295
OD (MM) 24.943
Thickness (MM) 0.991
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2523

ID (MM) 20.295
OD (MM) 25.298
Thickness (MM) 2.388
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2524

ID (MM) 20.447
OD (MM) 25.73
Thickness (MM) 1.27
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2525

ID (MM) 20.625
OD (MM) 50.8
Thickness (MM) 3.175
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2526

ID (MM) 20.726
OD (MM) 27.737
Thickness (MM) 0.254
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2527

ID (MM) 20.726
OD (MM) 37.287
Thickness (MM) 3.277
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2528

ID (MM) 21.006
OD (MM) 26.518
Thickness (MM) 1.27
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2529

ID (MM) 22.2
OD (MM) 26.721
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2530

ID (MM) 22.225
OD (MM) 26.187
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2531

ID (MM) 22.301
OD (MM) 31.75
Thickness (MM) 1.6
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2532

ID (MM) 22.454
OD (MM) 32.487
Thickness (MM) 0.813
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2533

ID (MM) 22.606
OD (MM) 28.575
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2534

ID (MM) 22.708
OD (MM) 32.487
Thickness (MM) 1.549
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2535

ID (MM) 22.911
OD (MM) 32.969
Thickness (MM) 3.175
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2536

ID (MM) 23.012
OD (MM) 60.325
Thickness (MM) 3.251
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2537

ID (MM) 24.257
OD (MM) 28.575
Thickness (MM) 1.6
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2538

ID (MM) 24.308
OD (MM) 28.626
Thickness (MM) 1.575
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

175-2539

ID (MM) 25.451
OD (MM) 34.976
Thickness (MM) 1.6
Material Copper
ID MM TOL 0.127
OD MM TOL 0.127
Quantity