Round Flat Washers - Precision Stamped in Any Material

Round flat washers are fundamental components in fastener assemblies, providing load distribution, surface protection, and vibration resistance across virtually every industry. Superior Washer & Gasket Corp manufactures round flat washers in a comprehensive range of materials-including aluminum, brass, copper, stainless steel, carbon steel, nylon, PTFE, and specialty alloys-in standard and custom sizes to precise tolerances.

As an ISO 9001:2015 certified flat washer manufacturer, we maintain one of the largest inventories of round flat washers available from a domestic source. Whether you need standard washers by the thousand or special flat washers produced to your custom specifications, our washer manufacturing capabilities deliver fast, reliable solutions made in the U.S.A.

  • Round flat washers in metals, plastics, and specialty materials
  • Broad standard size inventory for fast delivery
  • Custom flat washers stamped to your specifications
  • ISO 9001:2015 certified quality management
  • Made in the U.S.A. with material certifications available
SKU ID OD Thickness Material ID TOL OD TOL Quantity Actions

220-688-050

ID 0.534
OD 1.754
Thickness 0.05
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-689-063

ID 0.623
OD 1.309
Thickness 0.063
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-69-016

ID 0.097
OD 0.218
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-690-031

ID 0.185
OD 0.312
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-691-032

ID 0.196
OD 0.43
Thickness 0.032
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-692-062

ID 0.12
OD 0.246
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-693-031

ID 0.319
OD 0.627
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-694-031

ID 0.5
OD 1.497
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-70-010

ID 0.097
OD 0.234
Thickness 0.01
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-707-032

ID 0.144
OD 0.502
Thickness 0.032
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-708-125

ID 1.032
OD 1.742
Thickness 0.125
Material Nylon
ID TOL +-.010
OD TOL +-.010
Quantity

220-709-032

ID 0.315
OD 0.562
Thickness 0.032
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-71-031

ID 0.097
OD 0.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-710-062

ID 0.409
OD 2.004
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-711-020

ID 0.676
OD 0.877
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-712-016

ID 0.253
OD 0.375
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-713-016

ID 0.412
OD 0.788
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-714-030

ID 0.458
OD 0.814
Thickness 0.03
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-715-062

ID 0.485
OD 0.872
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-716-031

ID 0.092
OD 0.188
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-717-080

ID 0.256
OD 1.002
Thickness 0.08
Material Nylon
ID TOL +-.005
OD TOL +-.010
Quantity

220-718-125

ID 0.403
OD 0.76
Thickness 0.125
Material Nylon
ID TOL +-.010
OD TOL +-.010
Quantity

220-719-020

ID 0.09
OD 0.224
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-720-031

ID 0.257
OD 0.628
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-721-031

ID 0.377
OD 0.876
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-722-021

ID 2.503
OD 3.075
Thickness 0.021
Material Nylon
ID TOL +-.010
OD TOL +-.015
Quantity

220-723-125

ID 0.386
OD 1.431
Thickness 0.125
Material Nylon
ID TOL +-.015
OD TOL +-.015
Quantity

220-724-020

ID 0.148
OD 0.249
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-725-040

ID 0.561
OD 0.907
Thickness 0.04
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-73-010

ID 0.097
OD 0.312
Thickness 0.01
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-73-015

ID 0.097
OD 0.312
Thickness 0.015
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-74-031

ID 0.097
OD 0.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-75-031

ID 0.097
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-76-016

ID 0.104
OD 0.171
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-77-031

ID 0.104
OD 0.18
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-78-016

ID 0.104
OD 0.187
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-79-016

ID 0.104
OD 0.218
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-80-031

ID 0.104
OD 0.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-81-031

ID 0.104
OD 0.281
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-82-031

ID 0.104
OD 0.312
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-83-062

ID 0.104
OD 0.343
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-84-031

ID 0.104
OD 0.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-85-062

ID 0.104
OD 0.437
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-86-031

ID 0.104
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-87-031

ID 0.104
OD 0.562
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-88-031

ID 0.104
OD 0.625
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-89-016

ID 0.109
OD 0.181
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-90-031

ID 0.109
OD 0.187
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-91-016

ID 0.109
OD 0.218
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-92-062

ID 0.109
OD 0.25
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

Description

Meeting Your Manufacturing, Material, And Quality Requirements

Numerous factors affect the quality and long-term performance of flat washers. As a U.S.-based manufacturer and an ISO 9001:2015 certified company, we assure you that all parts we ship are manufactured domestically. We offer metal washers made from a diverse range of materials, including conventional options like copper stampings, aluminum washers, and stainless steel washers (which can include passivation). We also specialize in plastic washers and exotic materials like Inconel, Nylatron washers, and Monel. Additionally, we can quote a variety of platings including zinc, cad yellow, and black ox to suit your specific needs.