Stainless Steel Flat Washers
When rust is the enemy, stainless flat washers keep your joint tight and your surfaces clean. Use 18-8 for everyday wet service and 316 when salt, chemicals or washdowns get aggressive. Standard and thick styles spread clamp load to stop gouging and pull-through, in inch or metric for bolts, pumps, pipe flanges and machinery.
52 results
18-8 Stainless Steel Flat Washers
18-8 stainless steel flat washers in a range of SAE sizes. Precision stamped with standard inside and outside diameters and nominal thicknesses, these corrosion-resistant washers help distribute load and protect assemblies. Suitable for general fastening and hardware use.
| Bolt Size | Inside Diameter | Outside Diameter | Thickness | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
#2
|
0.099"
|
0.25"
|
0.032"
|
18-8 Stainless Steel
|
100
|
333002
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#4
|
0.125"
|
0.312"
|
0.032"
|
18-8 Stainless Steel
|
100
|
333004
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#6
|
0.149"
|
0.375"
|
0.032"
|
18-8 Stainless Steel
|
100
|
333006
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#8
|
0.174"
|
0.375"
|
0.032"
|
18-8 Stainless Steel
|
100
|
333008
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#10
|
0.203"
|
0.4375"
|
0.047"
|
18-8 Stainless Steel
|
100
|
333010
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#12
|
0.25"
|
0.5"
|
0.049"
|
18-8 Stainless Steel
|
100
|
333012
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
1/4"
|
0.281"
|
0.625"
|
0.05"
|
18-8 Stainless Steel
|
100
|
333040
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
5/16"
|
0.344"
|
0.75"
|
0.062"
|
18-8 Stainless Steel
|
100
|
333050
|
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|
|
Package Weight: 0.4 lbs
|
|||||||
|
3/8"
|
0.406"
|
0.875"
|
0.062"
|
18-8 Stainless Steel
|
50
|
333060
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
7/16"
|
0.469"
|
1.125"
|
0.078"
|
18-8 Stainless Steel
|
50
|
333070
|
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|
|
Package Weight: 0.7 lbs
|
|||||||
|
1/2"
|
0.563"
|
1.25"
|
0.078"
|
18-8 Stainless Steel
|
50
|
333080
|
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|
|
Package Weight: 1 lbs
|
|||||||
|
9/16"
|
5/8"
|
1-3/8"
|
0.078"
|
Stainless Steel
|
25
|
333090
|
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|
|
Package Weight: 0.6 lbs
|
|||||||
18-8 Stainless Steel Thick Flat Washers
A range of 18-8 stainless steel thick flat washers in USS/SAE measurements. Solid, corrosion-resistant stainless construction with thicker section for improved load distribution and spacing. Available in multiple inside/outside diameters to match common bolt sizes for assembly use.
| Bolt Size | Inside Diameter | Outside Diameter | Thickness | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/4"
|
9/32"
|
5/8"
|
0.08"
|
18-8 Stainless Steel
|
100
|
333042
|
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|
|
Package Weight: 0.5 lbs
|
|||||||
|
5/16"
|
11/32"
|
3/4"
|
0.093"
|
18-8 Stainless Steel
|
100
|
333052
|
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|
|
Package Weight: 0.8 lbs
|
|||||||
|
3/8"
|
13/32"
|
7/8"
|
0.093"
|
18-8 Stainless Steel
|
50
|
333062
|
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|
|
Package Weight: 0.5 lbs
|
|||||||
|
7/16"
|
15/32"
|
1-1/8"
|
0.106"
|
18-8 Stainless Steel
|
50
|
333072
|
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|
|
Package Weight: 1.2 lbs
|
|||||||
|
1/2"
|
9/16"
|
1-1/4"
|
0.146"
|
18-8 Stainless Steel
|
25
|
333082
|
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|
|
Package Weight: 0.9 lbs
|
|||||||
|
5/8"
|
11/16"
|
1-1/2"
|
0.146"
|
18-8 Stainless Steel
|
10
|
333102
|
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|
|
Package Weight: 0.5 lbs
|
|||||||
|
3/4"
|
13/16"
|
1-3/4"
|
0.16"
|
18-8 Stainless Steel
|
10
|
333122
|
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|
|
Package Weight: 0.8 lbs
|
|||||||
316 Stainless Steel Flat Washers
A set of 316 stainless steel flat washers offered in common SAE sizes with varied inside/outside diameters and thicknesses. Corrosion-resistant 316 construction provides longer life in marine and outdoor applications and helps distribute load for improved joint stability.
| Bolt Size | Inside Diameter | Outside Diameter | Thickness | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
#6
|
0.149"
|
0.375"
|
0.032"
|
316 Stainless Steel
|
100
|
3333006
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#8
|
0.174"
|
0.375"
|
0.032"
|
316 Stainless Steel
|
100
|
3333008
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
#10
|
0.203"
|
0.4375"
|
0.047"
|
316 Stainless Steel
|
100
|
3333010
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
#12
|
0.25"
|
0.5"
|
0.049"
|
316 Stainless Steel
|
100
|
3333012
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
1/4"
|
0.281"
|
0.625"
|
0.05"
|
316 Stainless Steel
|
50
|
336374
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
5/16"
|
0.344"
|
0.75"
|
0.062"
|
316 Stainless Steel
|
50
|
336375
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
3/8"
|
0.406"
|
0.875"
|
0.062"
|
316 Stainless Steel
|
50
|
336376
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
7/16"
|
0.469"
|
1.125"
|
0.078"
|
316 Stainless Steel
|
25
|
336377
|
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|
|
Package Weight: 0.4 lbs
|
|||||||
|
1/2"
|
0.563"
|
1.25"
|
0.078"
|
316 Stainless Steel
|
25
|
336378
|
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|
|
Package Weight: 0.4 lbs
|
|||||||
|
5/8"
|
0.688"
|
1.5"
|
0.078"
|
316 Stainless Steel
|
25
|
336380
|
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|
|
Package Weight: 0.7 lbs
|
|||||||
|
3/4"
|
0.812"
|
1.75"
|
0.109"
|
316 Stainless Steel
|
15
|
336382
|
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|
|
Package Weight: 0.9 lbs
|
|||||||
|
7/8"
|
0.937"
|
2"
|
0.109"
|
316 Stainless Steel
|
15
|
336383
|
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|
|
Package Weight: 1 lbs
|
|||||||
Metric 316 Stainless Steel Flat Washers
Metric 316 stainless steel flat washers for metric bolt applications, offered in common M6 to M12 diameters. Corrosion‑resistant 316 stainless construction provides durability in wet or corrosive environments and consistent bearing surface to distribute load and reduce fastener loosening.
| Bolt Size | Inside Diameter | Outside Diameter | Thickness | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
M6
|
6.4 mm
|
12.5 mm
|
1.6 mm
|
316 Stainless Steel
|
50
|
4637163
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M8
|
8.4 mm
|
17 mm
|
1.6 mm
|
316 Stainless Steel
|
50
|
4637164
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
M10
|
10.5 mm
|
21 mm
|
2 mm
|
316 Stainless Steel
|
25
|
4637165
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
M12
|
13 mm
|
24 mm
|
2.5 mm
|
316 Stainless Steel
|
25
|
4637166
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
Metric 18-8 Stainless Steel Flat Washers
Metric 18-8 stainless steel flat washers made from corrosion-resistant 18-8 stainless steel with plain finish on select sizes. Standard flat head profile and metric inside/outside diameters. Provides corrosion resistance and consistent load distribution for general fastening applications.
| Bolt Size | Inside Diameter | Outside Diameter | Thickness | Material | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
M2
|
2.2 mm
|
5 mm
|
0.3 mm
|
18-8 Stainless Steel
|
100
|
467159
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M3
|
3.2 mm
|
7 mm
|
0.5 mm
|
18-8 Stainless Steel
|
100
|
467160
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M4
|
4.3 mm
|
9 mm
|
0.8 mm
|
18-8 Stainless Steel
|
100
|
467161
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M5
|
5.3 mm
|
10 mm
|
1 mm
|
18-8 Stainless Steel
|
100
|
467162
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M6
|
6.4 mm
|
12.5 mm
|
1.6 mm
|
18-8 Stainless Steel
|
50
|
467163
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
M8
|
8.4 mm
|
15 mm
|
1.6 mm
|
18-8 Stainless Steel
|
50
|
467164
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
M10
|
10.5 mm
|
21 mm
|
2 mm
|
18-8 Stainless Steel
|
25
|
467165
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
M12
|
13 mm
|
24 mm
|
2.5 mm
|
18-8 Stainless Steel
|
25
|
467166
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
M14
|
15 mm
|
28 mm
|
2.5 mm
|
18-8 Stainless Steel
|
10
|
461271
|
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|
|
Package Weight: 0.2 lbs
|
|||||||
|
M16
|
17 mm
|
30 mm
|
3 mm
|
18-8 Stainless Steel
|
10
|
467167
|
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|
|
Package Weight: 0.3 lbs
|
|||||||
|
M20
|
21 mm
|
37 mm
|
3 mm
|
18-8 Stainless Steel
|
10
|
467168
|
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|
|
Package Weight: 0.4 lbs
|
|||||||
|
M24
|
25 mm
|
44 mm
|
4 mm
|
18-8 Stainless Steel
|
10
|
4671169
|
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|
|
Package Weight: 0.6 lbs
|
|||||||
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