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 21351–21400 of 25,000+ products

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

630-2381

ID (MM) 3.048
OD (MM) 12.7
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2382

ID (MM) 3.048
OD (MM) 13.462
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2383

ID (MM) 3.073
OD (MM) 12.649
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2384

ID (MM) 3.073
OD (MM) 14.021
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2385

ID (MM) 3.099
OD (MM) 5.486
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2386

ID (MM) 3.099
OD (MM) 5.842
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2387

ID (MM) 3.099
OD (MM) 6.375
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2388

ID (MM) 3.099
OD (MM) 7.823
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2389

ID (MM) 3.099
OD (MM) 8.661
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2390

ID (MM) 3.099
OD (MM) 9.347
Thickness (MM) 0.229
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2391

ID (MM) 3.099
OD (MM) 9.525
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2392

ID (MM) 3.124
OD (MM) 3.988
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2393

ID (MM) 3.124
OD (MM) 4.445
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2394

ID (MM) 3.124
OD (MM) 5.004
Thickness (MM) 0.102
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2395

ID (MM) 3.124
OD (MM) 11.1
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2396

ID (MM) 3.124
OD (MM) 12.675
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2397

ID (MM) 3.124
OD (MM) 12.7
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2398

ID (MM) 3.124
OD (MM) 13.487
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2399

ID (MM) 3.15
OD (MM) 4.648
Thickness (MM) 0.356
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2400

ID (MM) 3.175
OD (MM) 4.089
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2401

ID (MM) 3.175
OD (MM) 4.318
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2402

ID (MM) 3.175
OD (MM) 4.445
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2403

ID (MM) 3.175
OD (MM) 4.75
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2404

ID (MM) 3.175
OD (MM) 4.75
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2405

ID (MM) 3.175
OD (MM) 4.75
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2406

ID (MM) 3.175
OD (MM) 4.75
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2407

ID (MM) 3.175
OD (MM) 5.791
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2408

ID (MM) 3.175
OD (MM) 6.198
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2409

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2410

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2411

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2412

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2413

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2414

ID (MM) 3.175
OD (MM) 6.35
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2415

ID (MM) 3.175
OD (MM) 7.163
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2416

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2417

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2418

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2419

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2420

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2421

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2422

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2423

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2424

ID (MM) 3.175
OD (MM) 7.925
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2425

ID (MM) 3.175
OD (MM) 9.042
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2426

ID (MM) 3.175
OD (MM) 9.271
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2427

ID (MM) 3.175
OD (MM) 9.449
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2428

ID (MM) 3.175
OD (MM) 9.525
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2429

ID (MM) 3.175
OD (MM) 9.525
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2430

ID (MM) 3.175
OD (MM) 9.525
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity