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

650-497-015

ID 0.132
OD 0.2
Thickness 0.015
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4970-058

ID 0.818
OD 1.998
Thickness 0.058
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4971-152

ID 0.818
OD 2.499
Thickness 0.152
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4972-062

ID 0.819
OD 1.374
Thickness 0.062
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4973-057

ID 0.821
OD 1.752
Thickness 0.057
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4974-060

ID 0.829
OD 1.248
Thickness 0.06
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4975-009

ID 0.829
OD 1.315
Thickness 0.009
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4976-063

ID 0.832
OD 1.309
Thickness 0.063
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4977-050

ID 0.833
OD 1.124
Thickness 0.05
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4978-029

ID 0.841
OD 0.925
Thickness 0.029
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4979-085

ID 0.843
OD 1.247
Thickness 0.085
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-498-015

ID 0.132
OD 0.212
Thickness 0.015
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4980-024

ID 0.844
OD 1.378
Thickness 0.024
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4981-031

ID 0.845
OD 1.498
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4982-041

ID 0.846
OD 1.5
Thickness 0.041
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4983-062

ID 0.847
OD 1.124
Thickness 0.062
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4984-195

ID 0.847
OD 1.699
Thickness 0.195
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4985-181

ID 0.849
OD 1.697
Thickness 0.181
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4986-029

ID 0.853
OD 0.927
Thickness 0.029
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4987-018

ID 0.862
OD 0.986
Thickness 0.018
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4988-010

ID 0.875
OD 1.375
Thickness 0.01
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4989-005

ID 0.875
OD 1.378
Thickness 0.005
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-499-020

ID 0.132
OD 0.242
Thickness 0.02
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4990-090

ID 0.875
OD 1.499
Thickness 0.09
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4991-125

ID 0.875
OD 1.75
Thickness 0.125
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4992-132

ID 0.876
OD 1.248
Thickness 0.132
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4993-036

ID 0.876
OD 1.253
Thickness 0.036
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4994-029

ID 0.876
OD 1.624
Thickness 0.029
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4995-062

ID 0.877
OD 1.124
Thickness 0.062
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4996-058

ID 0.877
OD 2.0
Thickness 0.058
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4997-032

ID 0.878
OD 1.122
Thickness 0.032
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4997-061

ID 0.878
OD 1.122
Thickness 0.061
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4998-059

ID 0.878
OD 1.249
Thickness 0.059
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-4999-089

ID 0.878
OD 1.31
Thickness 0.089
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-50-031

ID 0.076
OD 0.25
Thickness 0.031
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-500-030

ID 0.132
OD 0.25
Thickness 0.03
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5000-050

ID 0.878
OD 1.375
Thickness 0.05
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5001-015

ID 0.878
OD 1.496
Thickness 0.015
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5002-255

ID 0.878
OD 1.625
Thickness 0.255
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5003-062

ID 0.878
OD 1.75
Thickness 0.062
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5004-059

ID 0.879
OD 1.092
Thickness 0.059
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5005-089

ID 0.879
OD 1.235
Thickness 0.089
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5006-120

ID 0.879
OD 1.248
Thickness 0.12
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5007-057

ID 0.879
OD 1.374
Thickness 0.057
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5008-035

ID 0.879
OD 1.436
Thickness 0.035
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5009-050

ID 0.879
OD 1.5
Thickness 0.05
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-501-025

ID 0.132
OD 0.283
Thickness 0.025
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5010-115

ID 0.879
OD 1.722
Thickness 0.115
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5011-123

ID 0.879
OD 2.998
Thickness 0.123
Material Steel Low Carbon
ID TOL +-.005
OD TOL +-.005
Quantity

650-5012-005

ID 0.88
OD 1.061
Thickness 0.005
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.