Home | Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

Standard washers are the most widely used fastener components across industrial, commercial, and consumer applications, providing reliable load distribution, surface protection, and joint stability. Superior Washer & Gasket Corp supplies standard flat washers in a comprehensive range of sizes and materials-including steel, stainless steel, brass, aluminum, copper, and nylon-from one of the largest domestic washer inventories available.

As an ISO 9001:2015 certified washer manufacturer, we maintain broad inventory of standard washers for fast delivery and offer custom washer production for non-standard sizes and materials. Whether you need standard SAE or USS washers or custom flat washers in specialty materials, our washer supply capabilities deliver consistent quality made in the U.S.A.

  • SAE and USS standard washer sizes in stock
  • Steel, stainless steel, brass, aluminum, and nylon options
  • Custom standard and special washers available
  • ISO 9001:2015 certified quality management
  • Made in the U.S.A. with fast delivery

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Showing 1001–1050 of 1,322 products

SKU ID OD Thickness Material Size ID TOL OD TOL Quantity

SP1-48

ID 0.078
OD 0.164
Thickness 0.014
Material Stainless Steel
Size 1
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-49

ID 0.078
OD 0.164
Thickness 0.002
Material Stainless Steel
Size 1
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-5

ID 0.093
OD 0.203
Thickness 0.004
Material Stainless Steel
Size 2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-50

ID 0.093
OD 0.203
Thickness 0.002
Material Stainless Steel
Size 2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-51

ID 0.125
OD 0.187
Thickness 0.002
Material Stainless Steel
Size 4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-52

ID 0.187
OD 0.25
Thickness 0.002
Material Stainless Steel
Size 10
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-6

ID 0.093
OD 0.203
Thickness 0.006
Material Stainless Steel
Size 2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-7

ID 0.093
OD 0.203
Thickness 0.01
Material Stainless Steel
Size 2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-8

ID 0.093
OD 0.203
Thickness 0.016
Material Stainless Steel
Size 2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP1-9

ID 0.125
OD 0.187
Thickness 0.004
Material Stainless Steel
Size 4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-27

ID 0.25
OD 0.375
Thickness 0.004
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-28

ID 0.25
OD 0.375
Thickness 0.006
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-29

ID 0.25
OD 0.375
Thickness 0.01
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-30

ID 0.25
OD 0.375
Thickness 0.016
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-31

ID 0.25
OD 0.375
Thickness 0.031
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-32

ID 0.25
OD 0.375
Thickness 0.063
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-33

ID 0.25
OD 0.375
Thickness 0.125
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-34

ID 0.25
OD 0.375
Thickness 0.25
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-35

ID 0.25
OD 0.375
Thickness 0.5
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-36

ID 0.313
OD 0.5
Thickness 0.01
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-37

ID 0.313
OD 0.5
Thickness 0.016
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-38

ID 0.313
OD 0.5
Thickness 0.031
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-39

ID 0.313
OD 0.5
Thickness 0.063
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-41

ID 0.375
OD 0.562
Thickness 0.01
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-42

ID 0.375
OD 0.562
Thickness 0.016
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-43

ID 0.375
OD 0.562
Thickness 0.031
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-44

ID 0.375
OD 0.562
Thickness 0.063
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-45

ID 0.375
OD 0.562
Thickness 0.125
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-46

ID 0.5
OD 0.75
Thickness 0.01
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-47

ID 0.5
OD 0.75
Thickness 0.016
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-48

ID 0.5
OD 0.75
Thickness 0.031
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-49

ID 0.5
OD 0.75
Thickness 0.063
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-60

ID 0.25
OD 0.375
Thickness 0.008
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-61

ID 0.25
OD 0.375
Thickness 0.012
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-62

ID 0.25
OD 0.375
Thickness 0.014
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-63

ID 0.25
OD 0.375
Thickness 0.094
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-64

ID 0.25
OD 0.375
Thickness 0.188
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-65

ID 0.25
OD 0.375
Thickness 0.375
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-66

ID 0.25
OD 0.375
Thickness 0.002
Material Stainless Steel
Size 1/4
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-67

ID 0.375
OD 0.562
Thickness 0.002
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-68

ID 0.375
OD 0.562
Thickness 0.004
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-69

ID 0.375
OD 0.562
Thickness 0.006
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-70

ID 0.375
OD 0.562
Thickness 0.008
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-71

ID 0.375
OD 0.562
Thickness 0.012
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-72

ID 0.375
OD 0.562
Thickness 0.014
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-73

ID 0.375
OD 0.562
Thickness 0.094
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-74

ID 0.375
OD 0.562
Thickness 0.188
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-75

ID 0.375
OD 0.562
Thickness 0.25
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-76

ID 0.375
OD 0.562
Thickness 0.375
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-77

ID 0.375
OD 0.562
Thickness 0.5
Material Stainless Steel
Size 3/8
ID TOL +.005-.000
OD TOL +-.005
Quantity