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

Round Flat Washers - Precision Stamped in Any Material

SKU ID OD Thickness Material ID TOL OD TOL Quantity Actions

850-16-062

ID 0.202
OD 0.5
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-17-031

ID 0.206
OD 0.372
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-18-062

ID 0.225
OD 0.497
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-19-032

ID 0.253
OD 0.538
Thickness 0.032
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-20-062

ID 0.281
OD 0.632
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-21-032

ID 0.285
OD 0.56
Thickness 0.032
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-22-125

ID 0.312
OD 1.5
Thickness 0.125
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-23-187

ID 0.337
OD 0.763
Thickness 0.187
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-24-187

ID 0.343
OD 0.75
Thickness 0.187
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-25-031

ID 0.376
OD 0.562
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-26-031

ID 0.382
OD 0.56
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-27-032

ID 0.384
OD 0.495
Thickness 0.032
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-28-031

ID 0.386
OD 0.499
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-29-062

ID 0.406
OD 0.75
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-30-062

ID 0.407
OD 1.0
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-31-031

ID 0.41
OD 0.654
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-32-031

ID 0.41
OD 0.813
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-33-125

ID 0.418
OD 1.127
Thickness 0.125
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-34-062

ID 0.437
OD 0.88
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-35-093

ID 0.437
OD 1.125
Thickness 0.093
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-36-031

ID 0.47
OD 0.592
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-37-031

ID 0.472
OD 0.593
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-38-031

ID 0.473
OD 0.594
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-39-250

ID 0.5
OD 1.5
Thickness 0.25
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-40-031

ID 0.525
OD 0.749
Thickness 0.031
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-41-125

ID 0.561
OD 1.259
Thickness 0.125
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-42-062

ID 0.574
OD 1.128
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-43-062

ID 0.597
OD 0.812
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-44-062

ID 0.753
OD 1.218
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-45-062

ID 0.88
OD 1.117
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-46-062

ID 0.89
OD 1.12
Thickness 0.062
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-47-125

ID 1.375
OD 1.687
Thickness 0.125
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-49-125

ID 0.252
OD 1.24
Thickness 0.125
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-50-060

ID 0.375
OD 0.625
Thickness 0.06
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-51-090

ID 0.431
OD 0.812
Thickness 0.09
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-53-093

ID 0.29
OD 0.562
Thickness 0.093
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-54-245

ID 0.314
OD 2.247
Thickness 0.245
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-56-187

ID 0.248
OD 0.619
Thickness 0.187
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-57-187

ID 0.245
OD 0.634
Thickness 0.187
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-58-055

ID 0.625
OD 0.877
Thickness 0.055
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-59-091

ID 0.737
OD 1.5
Thickness 0.091
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-62-100

ID 0.297
OD 0.565
Thickness 0.1
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-63-092

ID 0.354
OD 0.629
Thickness 0.092
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-64-120

ID 0.125
OD 0.877
Thickness 0.12
Material Neoprene
ID TOL +-.010
OD TOL +-.010
Quantity

850-67-093

ID 0.218
OD 0.477
Thickness 0.093
Material Neoprene
ID TOL +-.015
OD TOL +-.015
Quantity

850-68-090

ID 0.388
OD 0.802
Thickness 0.09
Material Neoprene
ID TOL +-.015
OD TOL +-.015
Quantity

910-10-040

ID 0.065
OD 0.187
Thickness 0.04
Material Monel
ID TOL +-.005
OD TOL +-.005
Quantity

910-100-125

ID 1.062
OD 2.0
Thickness 0.125
Material Monel
ID TOL +-.005
OD TOL +-.005
Quantity

910-101-125

ID 1.062
OD 2.5
Thickness 0.125
Material Monel
ID TOL +-.005
OD TOL +-.005
Quantity

910-102-100

ID 1.188
OD 2.0
Thickness 0.1
Material Monel
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.