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Shoulder Washers
Shoulder Washers - Line Drawing

Shoulder Washers

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Shoulder Washers, sometimes known as a Plastic Bush or Step Washer, are commonly used as a bushing to insulate fasteners or shafts within electronic equipment. For this reason, shoulder washers are made from non-conductive materials like Nylon. It is advised to avoid using shoulder bushings in humid environments.

Our extensive plastic shoulder washers range, includes Nylon Shoulder Washer Bushings made from Nylon 6/6 and manufactured to UL94 V2 flame resistance. The nylon sleeve washer range includes.

Screw Insulators (including Metric and Mini options). These are strong and have corrosion resistance - they also provide electrical insulation.

Nylon Shoulder Washers are resistant to many chemicals, as well as being corrosion resistant. They insulate and reduce vibration, and tend to act as a spacer or guide. We also have standard shouldered washer options designed to protect the head of metal screws from electrical contact.

Metric Locking and Sealing Washers are designed to created interference on both the outside diameter of a hex nut, and on the inside diameter of the screw.Flanged Bushings are suitable for light-load bearings or bushing. They will not rust, corrode or deteriorate - making them highly economical. They act as an electrical insulator by preventing metal-to-metal contact. Low-friction coefficient and can be used as a locator, sleeve, liner or glide.

Our plastic shoulder washer offer also includes a High Temperature Screw Insulator made from UL94 V0 glass-filled Polyphenylene Sulfide (PPS), and black in appearance. It can withstand temperatures up to Temperature: up to 428F.

  • Material: Polyamide (PA), Nylon, Polyphenylene Sulfide (PPS)
  • Colors: Natural and Black
  • UL94 V2 and UL94 V0 flame rated options.

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Product SKUs information
Item Code Price range Availability Flange Height Flange Outside Diameter Base Height Inside Diameter Compatible Screw Sizes (All) Base Outside Diameter View
$0.1079 - $0.1481 3000 In stock
0.092 in
0.750 in
0.188 in
0.506 in
1/2
0.627 in
$0.1829 - $0.2508 5000 In stock
0.118 in
1.102 in
0.709 in
0.551 in
0.709 in
$0.1248 - $0.1712 Request the lead time here
0.130 in
0.810 in
0.110 in
0.388 in
0.498 in
$0.0507 - $0.0696 Request the lead time here
0.060 in
0.625 in
0.440 in
0.375 in
3/8
0.500 in
$0.0986 - $0.1352 2500 In stock
0.067 in
0.887 in
0.191 in
0.507 in
1/2
0.629 in
$0.0992 - $0.1361 7000 In stock
0.060 in
0.825 in
0.325 in
0.310 in
0.435 in
$0.1791 - $0.2459 Request the lead time here
0.060 in
0.825 in
0.190 in
0.310 in
0.435 in
$0.1352 - $0.1854 5000 In stock
0.190 in
0.750 in
0.250 in
0.310 in
0.500 in
$0.1389 - $0.1905 5000 In stock
0.125 in
0.995 in
0.625 in
0.695 in
0.787 in
$0.2901 - $0.398 2000 In stock
0.094 in
0.750 in
0.500 in
0.380 in
3/8
0.625 in
$0.1386 - $0.1904 Request the lead time here
0.102 in
0.940 in
0.511 in
0.476 in
0.696 in
$0.1214 - $0.1665 Request the lead time here
0.060 in
1.445 in
0.038 in
0.387 in
0.500 in
$0.0399 - $0.0546 Request the lead time here
0.063 in
0.625 in
0.250 in
0.240 in
0.313 in
$0.1889 - $0.2589 9000 In stock
0.125 in
0.872 in
0.500 in
0.335 in
0.617 in
$0.0512 - $0.0701 21500 In stock
0.090 in
0.740 in
0.180 in
0.318 in
5/16
0.435 in
$0.1389 - $0.1905 500 In stock
0.063 in
0.875 in
1.000 in
0.375 in
3/8
0.500 in
$0.1482 - $0.2033 5500 In stock
0.125 in
0.875 in
0.375 in
0.380 in
3/8
0.620 in
$0.1413 - $0.194 Request the lead time here
0.094 in
0.825 in
0.406 in
0.311 in
0.440 in
$0.1095 - $0.15 11500 In stock
0.078 in
0.945 in
0.531 in
0.406 in
0.470 in
$0.3519 - $0.4827 1500 In stock
0.059 in
0.984 in
0.618 in
0.398 in
0.547 in
    • of 100
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 4.8 mm | 0.188 in; Base Outside Diameter 15.9 mm | 0.627 in; Compatible Screw Sizes 1/2 in

12SWS3022

Price Range
$0.1481 - $0.1079

Stock Levels
3000 In stock
Attributes
  • Base Height
    0.188 in
  • Base Outside Diameter
    0.627 in
  • Flange Height
    0.092 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.506 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 28 mm | 1.102 in; Base Height 18 mm | 0.709 in; Base Outside Diameter 18 mm | 0.709 in;

12SWS3027

Price Range
$0.2508 - $0.1829

Stock Levels
5000 In stock
Attributes
  • Base Height
    0.709 in
  • Base Outside Diameter
    0.709 in
  • Flange Height
    0.118 in
  • Flange Outside Diameter
    1.102 in
  • Inside Diameter
    0.551 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 20.6 mm | 0.810 in; Base Height 2.8 mm | 0.110 in; Base Outside Diameter 12.6 mm | 0.498 in;

12SWS3031

Price Range
$0.1712 - $0.1248

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.110 in
  • Base Outside Diameter
    0.498 in
  • Flange Height
    0.130 in
  • Flange Outside Diameter
    0.810 in
  • Inside Diameter
    0.388 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.9 mm | 0.625 in; Base Height 11.2 mm | 0.440 in; Base Outside Diameter 12.7 mm | 0.500 in; Compatible Screw Sizes 3/8

12SWS3035

Price Range
$0.0696 - $0.0507

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.440 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.625 in
  • Inside Diameter
    0.375 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.5 mm | 0.887 in; Base Height 4.9 mm | 0.191 in; Base Outside Diameter 16 mm | 0.629 in; Compatible Screw Sizes 1/2 in

12SWS3039

Price Range
$0.1352 - $0.0986

Stock Levels
2500 In stock
Attributes
  • Base Height
    0.191 in
  • Base Outside Diameter
    0.629 in
  • Flange Height
    0.067 in
  • Flange Outside Diameter
    0.887 in
  • Inside Diameter
    0.507 in
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Natural Nylon 6/6 Shoulder Washer - Outside Diameter 21 mm | 0.825 in; Base Height 8.3 mm | 0.325 in; Base Outside Diameter 11 mm | 0.435 in;

12SWS3100

Price Range
$0.1361 - $0.0992

Stock Levels
7000 In stock
Attributes
  • Base Height
    0.325 in
  • Base Outside Diameter
    0.435 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.825 in
  • Inside Diameter
    0.310 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 21 mm | 0.825 in; Base Height 4.8 mm | 0.190 in; Base Outside Diameter 11 mm | 0.435 in;

12SWS3105

Price Range
$0.2459 - $0.1791

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.190 in
  • Base Outside Diameter
    0.435 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.825 in
  • Inside Diameter
    0.310 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 6.4 mm | 0.250 in; Base Outside Diameter 12.7 mm | 0.500 in;

12SWS2565

Price Range
$0.1854 - $0.1352

Stock Levels
5000 In stock
Attributes
  • Base Height
    0.250 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.190 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.310 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.3 mm | 0.995 in; Base Height 15.9 mm | 0.625 in; Base Outside Diameter 20 mm | 0.787 in;

12SWS3205

Price Range
$0.1905 - $0.1389

Stock Levels
5000 In stock
Attributes
  • Base Height
    0.625 in
  • Base Outside Diameter
    0.787 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.995 in
  • Inside Diameter
    0.695 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 3/8

12SWS3157

Price Range
$0.398 - $0.2901

Stock Levels
2000 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.094 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.380 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 23.9 mm | 0.940 in; Base Height 13 mm | 0.511 in; Base Outside Diameter 17.7 mm | 0.696 in;

12SWS3163

Price Range
$0.1904 - $0.1386

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.511 in
  • Base Outside Diameter
    0.696 in
  • Flange Height
    0.102 in
  • Flange Outside Diameter
    0.940 in
  • Inside Diameter
    0.476 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 36.7 mm | 1.445 in; Base Height 1 mm | 0.038 in; Base Outside Diameter 12.7 mm | 0.500 in;

12SWS3037

Price Range
$0.1665 - $0.1214

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.038 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    1.445 in
  • Inside Diameter
    0.387 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.9 mm | 0.625 in; Base Height 6.4 mm | 0.250 in; Base Outside Diameter 8 mm | 0.313 in;

12SWS3041

Price Range
$0.0546 - $0.0399

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.250 in
  • Base Outside Diameter
    0.313 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.625 in
  • Inside Diameter
    0.240 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.1 mm | 0.872 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 15.7 mm | 0.617 in;

12SWS3103

Price Range
$0.2589 - $0.1889

Stock Levels
9000 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.617 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.872 in
  • Inside Diameter
    0.335 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 18.8 mm | 0.740 in; Base Height 4.6 mm | 0.180 in; Base Outside Diameter 11 mm | 0.435 in; Compatible Screw Sizes 5/16 in

12SWS3107

Price Range
$0.0701 - $0.0512

Stock Levels
21500 In stock
Attributes
  • Base Height
    0.180 in
  • Base Outside Diameter
    0.435 in
  • Flange Height
    0.090 in
  • Flange Outside Diameter
    0.740 in
  • Inside Diameter
    0.318 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.2 mm | 0.875 in; Base Height 25.4 mm | 1.000 in; Base Outside Diameter 12.7 mm | 0.500 in; Compatible Screw Sizes 3/8

12SWS3150

Price Range
$0.1905 - $0.1389

Stock Levels
500 In stock
Attributes
  • Base Height
    1.000 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.875 in
  • Inside Diameter
    0.375 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.2 mm | 0.875 in; Base Height 9.5 mm | 0.375 in; Base Outside Diameter 15.7 mm | 0.620 in; Compatible Screw Sizes 3/8

12SWS3154

Price Range
$0.2033 - $0.1482

Stock Levels
5500 In stock
Attributes
  • Base Height
    0.375 in
  • Base Outside Diameter
    0.620 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.875 in
  • Inside Diameter
    0.380 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 21 mm | 0.825 in; Base Height 10.3 mm | 0.406 in; Base Outside Diameter 11.2 mm | 0.440 in;

12SWS3516

Price Range
$0.194 - $0.1413

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.406 in
  • Base Outside Diameter
    0.440 in
  • Flange Height
    0.094 in
  • Flange Outside Diameter
    0.825 in
  • Inside Diameter
    0.311 in
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Natural Nylon 6/6 Shoulder Washer - Outside Diameter 24 mm | 0.945 in; Base Height 13.5 mm | 0.531 in; Base Outside Diameter 11.9 mm | 0.470 in;

12SWS3520

Price Range
$0.15 - $0.1095

Stock Levels
11500 In stock
Attributes
  • Base Height
    0.531 in
  • Base Outside Diameter
    0.470 in
  • Flange Height
    0.078 in
  • Flange Outside Diameter
    0.945 in
  • Inside Diameter
    0.406 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25 mm | 0.984 in; Base Height 15.7 mm | 0.618 in; Base Outside Diameter 13.9 mm | 0.547 in;

12SWS3565

Price Range
$0.4827 - $0.3519

Stock Levels
1500 In stock
Attributes
  • Base Height
    0.618 in
  • Base Outside Diameter
    0.547 in
  • Flange Height
    0.059 in
  • Flange Outside Diameter
    0.984 in
  • Inside Diameter
    0.398 in
Quick View
View Product >