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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 24951–25000 of 25,000+ products

SKU ID (MM) OD (MM) Thickness (MM) Material ID MM TOL OD MM TOL Quantity

630-5981

ID (MM) 9.906
OD (MM) 25.4
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5982

ID (MM) 9.906
OD (MM) 28.575
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5983

ID (MM) 9.906
OD (MM) 28.575
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5984

ID (MM) 9.906
OD (MM) 28.575
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5985

ID (MM) 9.906
OD (MM) 28.575
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5986

ID (MM) 9.906
OD (MM) 31.75
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5987

ID (MM) 9.906
OD (MM) 31.75
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5988

ID (MM) 9.906
OD (MM) 31.75
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5989

ID (MM) 9.906
OD (MM) 31.75
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5990

ID (MM) 9.906
OD (MM) 34.925
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5991

ID (MM) 9.906
OD (MM) 34.925
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5992

ID (MM) 9.906
OD (MM) 34.925
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5993

ID (MM) 9.906
OD (MM) 34.925
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5994

ID (MM) 9.906
OD (MM) 38.1
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5995

ID (MM) 9.906
OD (MM) 38.1
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5996

ID (MM) 9.906
OD (MM) 38.1
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5997

ID (MM) 9.906
OD (MM) 38.1
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5998

ID (MM) 9.906
OD (MM) 41.275
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5999

ID (MM) 9.906
OD (MM) 41.275
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6000

ID (MM) 9.906
OD (MM) 41.275
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6001

ID (MM) 9.906
OD (MM) 41.275
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6002

ID (MM) 9.906
OD (MM) 44.45
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6003

ID (MM) 9.906
OD (MM) 44.45
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6004

ID (MM) 9.906
OD (MM) 44.45
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6005

ID (MM) 9.906
OD (MM) 44.45
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6006

ID (MM) 9.906
OD (MM) 47.625
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6007

ID (MM) 9.906
OD (MM) 47.625
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6008

ID (MM) 9.906
OD (MM) 47.625
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6009

ID (MM) 9.906
OD (MM) 47.625
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6010

ID (MM) 9.906
OD (MM) 50.8
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6011

ID (MM) 9.906
OD (MM) 50.8
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6012

ID (MM) 9.906
OD (MM) 50.8
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6013

ID (MM) 9.906
OD (MM) 50.8
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6014

ID (MM) 9.931
OD (MM) 13.792
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6015

ID (MM) 9.931
OD (MM) 14.249
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6016

ID (MM) 9.931
OD (MM) 15.824
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6017

ID (MM) 9.931
OD (MM) 25.349
Thickness (MM) 2.972
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6018

ID (MM) 9.931
OD (MM) 25.4
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6019

ID (MM) 9.931
OD (MM) 25.4
Thickness (MM) 2.972
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6020

ID (MM) 9.931
OD (MM) 31.674
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6021

ID (MM) 9.957
OD (MM) 15.875
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6022

ID (MM) 9.957
OD (MM) 16.662
Thickness (MM) 0.432
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6023

ID (MM) 9.957
OD (MM) 17.424
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6024

ID (MM) 9.957
OD (MM) 22.123
Thickness (MM) 3.327
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6025

ID (MM) 9.957
OD (MM) 29.972
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6026

ID (MM) 9.957
OD (MM) 31.826
Thickness (MM) 2.946
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6027

ID (MM) 9.982
OD (MM) 13.233
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6028

ID (MM) 9.982
OD (MM) 15.672
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6029

ID (MM) 9.982
OD (MM) 17.551
Thickness (MM) 1.803
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-6030

ID (MM) 9.982
OD (MM) 18.11
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity