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 1051–1100 of 1,322 products

SKU ID OD Thickness Material Size ID TOL OD TOL Quantity

SP2-80

ID 0.313
OD 0.5
Thickness 0.002
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-81

ID 0.313
OD 0.5
Thickness 0.004
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-82

ID 0.313
OD 0.5
Thickness 0.006
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-84

ID 0.313
OD 0.5
Thickness 0.012
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-85

ID 0.313
OD 0.5
Thickness 0.014
Material Stainless Steel
Size 5/16
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-90

ID 0.5
OD 0.75
Thickness 0.002
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-91

ID 0.5
OD 0.75
Thickness 0.004
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-92

ID 0.5
OD 0.75
Thickness 0.006
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-94

ID 0.5
OD 0.75
Thickness 0.012
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP2-95

ID 0.5
OD 0.75
Thickness 0.014
Material Stainless Steel
Size 1/2
ID TOL +.005-.000
OD TOL +-.005
Quantity

SP3-1

ID 0.167
OD 0.248
Thickness 0.005
Material Stainless Steel
Size 8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-10

ID 0.253
OD 0.373
Thickness 0.125
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-11

ID 0.378
OD 0.498
Thickness 0.005
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-12

ID 0.378
OD 0.498
Thickness 0.01
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-13

ID 0.378
OD 0.498
Thickness 0.02
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-15

ID 0.378
OD 0.498
Thickness 0.062
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-16

ID 0.378
OD 0.498
Thickness 0.125
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-17

ID 0.503
OD 0.623
Thickness 0.005
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-18

ID 0.503
OD 0.623
Thickness 0.01
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-19

ID 0.503
OD 0.623
Thickness 0.02
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-2

ID 0.167
OD 0.248
Thickness 0.01
Material Stainless Steel
Size 8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-21

ID 0.503
OD 0.623
Thickness 0.062
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-22

ID 0.503
OD 0.623
Thickness 0.125
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-28

ID 0.687
OD 0.873
Thickness 0.062
Material Stainless Steel
Size 5/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-3

ID 0.206
OD 0.31
Thickness 0.005
Material Stainless Steel
Size 10
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-32

ID 0.167
OD 0.248
Thickness 0.007
Material Stainless Steel
Size 8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-33

ID 0.206
OD 0.31
Thickness 0.003
Material Stainless Steel
Size 10
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-34

ID 0.206
OD 0.31
Thickness 0.007
Material Stainless Steel
Size 10
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-35

ID 0.253
OD 0.373
Thickness 0.003
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-36

ID 0.253
OD 0.373
Thickness 0.007
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-37

ID 0.378
OD 0.498
Thickness 0.003
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-38

ID 0.378
OD 0.498
Thickness 0.007
Material Stainless Steel
Size 3/8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-39

ID 0.503
OD 0.623
Thickness 0.003
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-4

ID 0.206
OD 0.31
Thickness 0.01
Material Stainless Steel
Size 10
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-40

ID 0.503
OD 0.623
Thickness 0.007
Material Stainless Steel
Size 1/2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-41

ID 0.253
OD 0.373
Thickness 0.25
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-42

ID 0.253
OD 0.373
Thickness 0.375
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-43

ID 0.253
OD 0.373
Thickness 0.5
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-5

ID 0.253
OD 0.373
Thickness 0.005
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-50

ID 0.167
OD 0.248
Thickness 0.003
Material Stainless Steel
Size 8
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-51

ID 0.088
OD 0.153
Thickness 0.003
Material Stainless Steel
Size 2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-52

ID 0.088
OD 0.153
Thickness 0.005
Material Stainless Steel
Size 2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-53

ID 0.088
OD 0.153
Thickness 0.007
Material Stainless Steel
Size 2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-54

ID 0.088
OD 0.153
Thickness 0.01
Material Stainless Steel
Size 2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-55

ID 0.088
OD 0.153
Thickness 0.02
Material Stainless Steel
Size 2
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-56

ID 0.123
OD 0.178
Thickness 0.003
Material Stainless Steel
Size 4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-57

ID 0.123
OD 0.178
Thickness 0.005
Material Stainless Steel
Size 4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-58

ID 0.123
OD 0.178
Thickness 0.007
Material Stainless Steel
Size 4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-59

ID 0.123
OD 0.178
Thickness 0.01
Material Stainless Steel
Size 4
ID TOL +-.005
OD TOL +-.005
Quantity

SP3-6

ID 0.253
OD 0.373
Thickness 0.01
Material Stainless Steel
Size 1/4
ID TOL +-.005
OD TOL +-.005
Quantity