Home | Round Flat Washers - Precision Stamped in Any Material

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

650-5281-117

ID 1.22
OD 1.872
Thickness 0.117
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5282-186

ID 1.221
OD 1.749
Thickness 0.186
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5283-113

ID 1.222
OD 1.873
Thickness 0.113
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5284-034

ID 1.222
OD 2.0
Thickness 0.034
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5285-030

ID 1.235
OD 1.875
Thickness 0.03
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5286-003

ID 1.248
OD 1.783
Thickness 0.003
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5287-010

ID 1.248
OD 2.001
Thickness 0.01
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5288-076

ID 1.25
OD 1.495
Thickness 0.076
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5289-061

ID 1.25
OD 1.75
Thickness 0.061
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-529-031

ID 0.135
OD 0.539
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5290-005

ID 1.25
OD 1.781
Thickness 0.005
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5291-093

ID 1.25
OD 1.855
Thickness 0.093
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5292-120

ID 1.25
OD 2.0
Thickness 0.12
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5293-049

ID 1.25
OD 2.248
Thickness 0.049
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5294-093

ID 1.25
OD 3.0
Thickness 0.093
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5295-247

ID 1.25
OD 4.0
Thickness 0.247
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5296-136

ID 1.251
OD 1.754
Thickness 0.136
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5297-061

ID 1.251
OD 2.046
Thickness 0.061
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5298-032

ID 1.252
OD 1.5
Thickness 0.032
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5299-089

ID 1.252
OD 1.747
Thickness 0.089
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-53-025

ID 0.077
OD 0.38
Thickness 0.025
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-530-031

ID 0.136
OD 0.242
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5300-061

ID 1.252
OD 1.874
Thickness 0.061
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5301-253

ID 1.252
OD 4.756
Thickness 0.253
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5302-005

ID 1.253
OD 1.749
Thickness 0.005
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5303-117

ID 1.253
OD 2.25
Thickness 0.117
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5304-125

ID 1.254
OD 1.693
Thickness 0.125
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5305-015

ID 1.254
OD 1.749
Thickness 0.015
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5306-034

ID 1.254
OD 1.75
Thickness 0.034
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5307-047

ID 1.255
OD 1.415
Thickness 0.047
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5308-031

ID 1.255
OD 1.75
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5309-064

ID 1.255
OD 2.995
Thickness 0.064
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-531-034

ID 0.136
OD 0.249
Thickness 0.034
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5310-049

ID 1.256
OD 1.415
Thickness 0.049
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5311-033

ID 1.256
OD 1.496
Thickness 0.033
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5312-005

ID 1.256
OD 1.563
Thickness 0.005
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5313-031

ID 1.256
OD 1.875
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5314-047

ID 1.257
OD 1.937
Thickness 0.047
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5315-060

ID 1.26
OD 1.811
Thickness 0.06
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5316-090

ID 1.26
OD 2.0
Thickness 0.09
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5317-060

ID 1.269
OD 1.746
Thickness 0.06
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5318-048

ID 1.27
OD 1.685
Thickness 0.048
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5319-066

ID 1.27
OD 2.25
Thickness 0.066
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-532-025

ID 0.136
OD 0.282
Thickness 0.025
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5320-061

ID 1.274
OD 2.498
Thickness 0.061
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5321-125

ID 1.282
OD 1.876
Thickness 0.125
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5322-064

ID 1.282
OD 2.251
Thickness 0.064
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5323-121

ID 1.283
OD 2.25
Thickness 0.121
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5324-029

ID 1.284
OD 1.75
Thickness 0.029
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5325-060

ID 1.284
OD 2.123
Thickness 0.06
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

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.