Home | Flat Washers in Every Size, Material & Tolerance

Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

  • Standard and custom flat washer sizes in stock
  • Wide selection of materials including stainless steel, brass, aluminum, and nylon
  • ISO 9001:2015 certified manufacturing and quality control
  • Custom flat washers produced to print or sample
  • Competitive pricing with fast turnaround

Showing 4601–4650 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-3258-025

ID 0.125
OD 0.562
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3258-031

ID 0.125
OD 0.562
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3258-040

ID 0.125
OD 0.562
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3258-050

ID 0.125
OD 0.562
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3258-060

ID 0.125
OD 0.562
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-005

ID 0.125
OD 0.625
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-010

ID 0.125
OD 0.625
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-015

ID 0.125
OD 0.625
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-020

ID 0.125
OD 0.625
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-025

ID 0.125
OD 0.625
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-031

ID 0.125
OD 0.625
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-040

ID 0.125
OD 0.625
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-050

ID 0.125
OD 0.625
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3259-060

ID 0.125
OD 0.625
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-326-016

ID 0.129
OD 0.282
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-005

ID 0.125
OD 0.687
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-010

ID 0.125
OD 0.687
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-015

ID 0.125
OD 0.687
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-020

ID 0.125
OD 0.687
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-025

ID 0.125
OD 0.687
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-031

ID 0.125
OD 0.687
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-040

ID 0.125
OD 0.687
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-050

ID 0.125
OD 0.687
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3260-060

ID 0.125
OD 0.687
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-005

ID 0.125
OD 0.75
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-010

ID 0.125
OD 0.75
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-015

ID 0.125
OD 0.75
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-020

ID 0.125
OD 0.75
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-025

ID 0.125
OD 0.75
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-031

ID 0.125
OD 0.75
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-040

ID 0.125
OD 0.75
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-050

ID 0.125
OD 0.75
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3261-060

ID 0.125
OD 0.75
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-005

ID 0.125
OD 0.875
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-010

ID 0.125
OD 0.875
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-015

ID 0.125
OD 0.875
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-020

ID 0.125
OD 0.875
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-025

ID 0.125
OD 0.875
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-031

ID 0.125
OD 0.875
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-040

ID 0.125
OD 0.875
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-050

ID 0.125
OD 0.875
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3262-060

ID 0.125
OD 0.875
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-005

ID 0.125
OD 1.0
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-010

ID 0.125
OD 1.0
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-015

ID 0.125
OD 1.0
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-020

ID 0.125
OD 1.0
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-025

ID 0.125
OD 1.0
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-031

ID 0.125
OD 1.0
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-040

ID 0.125
OD 1.0
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3263-050

ID 0.125
OD 1.0
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity