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

220-544-031

ID 0.64
OD 1.125
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-545-062

ID 0.64
OD 1.187
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-546-031

ID 0.64
OD 1.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-547-031

ID 0.64
OD 1.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-548-010

ID 0.656
OD 0.812
Thickness 0.01
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-549-031

ID 0.656
OD 0.875
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-55-016

ID 0.093
OD 0.187
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-550-093

ID 0.656
OD 1.312
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-551-031

ID 0.656
OD 1.531
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-552-031

ID 0.69
OD 0.875
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-553-031

ID 0.69
OD 0.937
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-554-031

ID 0.69
OD 1.0
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-555-125

ID 0.69
OD 1.5
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-556-125

ID 0.718
OD 0.937
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-557-093

ID 0.718
OD 1.125
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-558-031

ID 0.75
OD 1.0
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-559-094

ID 0.75
OD 1.125
Thickness 0.094
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-56-031

ID 0.093
OD 0.218
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-560-062

ID 0.75
OD 1.25
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-561-125

ID 0.75
OD 1.375
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-562-016

ID 0.75
OD 1.5
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-563-125

ID 0.75
OD 2.0
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-564-031

ID 0.765
OD 0.89
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-565-031

ID 0.765
OD 1.312
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-566-062

ID 0.765
OD 1.5
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-567-062

ID 0.765
OD 1.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-568-031

ID 0.781
OD 1.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-569-062

ID 0.781
OD 1.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-57-031

ID 0.093
OD 0.234
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-570-031

ID 0.812
OD 1.125
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-571-062

ID 0.812
OD 1.437
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-572-031

ID 0.875
OD 1.0
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-573-062

ID 0.875
OD 1.125
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-574-031

ID 0.875
OD 1.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-575-031

ID 0.89
OD 1.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-576-050

ID 0.89
OD 1.625
Thickness 0.05
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-577-062

ID 0.937
OD 1.187
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-578-062

ID 0.937
OD 2.0
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-579-050

ID 1.0
OD 1.105
Thickness 0.05
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-58-031

ID 0.093
OD 0.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-580-062

ID 1.0
OD 1.181
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-581-016

ID 1.0
OD 1.312
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-582-031

ID 1.0
OD 1.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-583-062

ID 1.0
OD 1.5
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-584-016

ID 1.0
OD 1.625
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-585-010

ID 1.005
OD 1.25
Thickness 0.01
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-586-125

ID 1.005
OD 2.0
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-587-016

ID 1.031
OD 1.375
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-588-062

ID 1.045
OD 1.5
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-589-020

ID 1.062
OD 1.229
Thickness 0.02
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.