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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
$0.2562 - $0.3516 3500 In stock
0.120 in
1.250 in
0.340 in
0.530 in
0.750 in
$0.1835 - $0.2519 3000 In stock
0.050 in
1.000 in
0.200 in
0.630 in
0.750 in
$0.0927 - $0.1272 Request the lead time here
0.094 in
1.000 in
0.031 in
0.515 in
1/2
0.616 in
$0.1638 - $0.2247 9000 In stock
0.040 in
1.000 in
0.330 in
0.515 in
1/2
0.625 in
$0.1389 - $0.1905 2000 In stock
0.063 in
1.000 in
0.563 in
0.382 in
3/8
0.500 in
12SWS3616 $0.1166 - $0.1598 Request the lead time here
0.150 in
0.980 in
0.406 in
0.812 in
0.895 in
$0.086 - $0.1181 1000 In stock
0.078 in
1.000 in
0.109 in
0.508 in
1/2
0.770 in
$0.3003 - $0.4119 Request the lead time here
0.212 in
1.250 in
0.100 in
0.340 in
0.940 in
$0.1359 - $0.1865 1000 In stock
0.062 in
1.130 in
0.313 in
0.758 in
0.880 in
$0.2952 - $0.405 3000 In stock
0.045 in
1.250 in
0.125 in
0.380 in
3/8
0.480 in
$0.1161 - $0.1593 3000 In stock
0.079 in
1.181 in
0.118 in
0.197 in
10
0.374 in
$0.0813 - $0.1116 3500 In stock
0.063 in
1.125 in
0.094 in
0.515 in
1/2
0.740 in
$0.2873 - $0.3939 500 In stock
0.127 in
0.760 in
0.263 in
0.267 in
1/4
0.370 in
$1.3167 - $1.8062 1000 In stock
0.125 in
2.065 in
0.500 in
0.783 in
1.050 in
$0.1722 - $0.2363 500 In stock
0.063 in
1.251 in
0.406 in
0.471 in
0.528 in
$0.0779 - $0.1067 2000 In stock
0.094 in
0.825 in
0.406 in
0.306 in
0.445 in
$0.1787 - $0.2453 Request the lead time here
0.063 in
1.250 in
0.094 in
0.562 in
9/16
0.930 in
$0.2792 - $0.6354 4500 In stock
0.098 in
0.866 in
0.945 in
0.395 in
0.571 in
$0.0723 - $0.0993 4250 In stock
0.128 in
1.365 in
0.309 in
0.870 in
1.120 in
$0.2232 - $0.5082 Request the lead time here
0.062 in
1.250 in
0.551 in
0.492 in
0.531 in
    • of 100
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 8.6 mm | 0.340 in; Base Outside Diameter 19.1 mm | 0.750 in;

12SWS3593

Price Range
$0.3516 - $0.2562

Stock Levels
3500 In stock
Attributes
  • Base Height
    0.340 in
  • Base Outside Diameter
    0.750 in
  • Flange Height
    0.120 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.530 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.4 mm | 1.000 in; Base Height 5.1 mm | 0.200 in; Base Outside Diameter 19.1 mm | 0.750 in;

12SWS3598

Price Range
$0.2519 - $0.1835

Stock Levels
3000 In stock
Attributes
  • Base Height
    0.200 in
  • Base Outside Diameter
    0.750 in
  • Flange Height
    0.050 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.630 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.4 mm | 1.000 in; Base Height 0.8 mm | 0.031 in; Base Outside Diameter 15.6 mm | 0.616 in; Compatible Screw Sizes 1/2 in

12SWS3602

Price Range
$0.1272 - $0.0927

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.616 in
  • Flange Height
    0.094 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.515 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.4 mm | 1.000 in; Base Height 8.4 mm | 0.330 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 1/2 in

12SWS3606

Price Range
$0.2247 - $0.1638

Stock Levels
9000 In stock
Attributes
  • Base Height
    0.330 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.040 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.515 in
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View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.4 mm | 1.000 in; Base Height 14.3 mm | 0.562 in; Base Outside Diameter 12.7 mm | 0.500 in; Compatible Screw Sizes 3/8

12SWS3610

Price Range
$0.1905 - $0.1389

Stock Levels
2000 In stock
Attributes
  • Base Height
    0.563 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.382 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 24.9 mm | 0.980 in; Base Height 11.7 mm | 0.460 in; Base Outside Diameter 22.7 mm | 0.895 in;

12SWS3616

Price Range
$0.1598 - $0.1166

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.406 in
  • Base Outside Diameter
    0.895 in
  • Flange Height
    0.150 in
  • Flange Outside Diameter
    0.980 in
  • Inside Diameter
    0.812 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 25.4 mm | 1.000 in; Base Height 2.8 mm | 0.109 in; Base Outside Diameter 19.6 mm | 0.770 in; Compatible Screw Sizes 1/2 in

12SWS3650

Price Range
$0.1181 - $0.086

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.109 in
  • Base Outside Diameter
    0.770 in
  • Flange Height
    0.078 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.508 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 2.5 mm | 0.100 in; Base Outside Diameter 23.9 mm | 0.940 in;

12SWS3684

Price Range
$0.4119 - $0.3003

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.100 in
  • Base Outside Diameter
    0.940 in
  • Flange Height
    0.212 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.340 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 28.7 mm | 1.130 in; Base Height 8 mm | 0.313 in; Base Outside Diameter 22.4 mm | 0.880 in;

12SWS3689

Price Range
$0.1865 - $0.1359

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.313 in
  • Base Outside Diameter
    0.880 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    1.130 in
  • Inside Diameter
    0.758 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 3.2 mm | 0.125 in; Base Outside Diameter 12.2 mm | 0.480 in; Compatible Screw Sizes 3/8

12SWS3695

Price Range
$0.405 - $0.2952

Stock Levels
3000 In stock
Attributes
  • Base Height
    0.125 in
  • Base Outside Diameter
    0.480 in
  • Flange Height
    0.045 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.380 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 30 mm | 1.181 in; Base Height 12.3 mm | 0.485 in; Base Outside Diameter 22.2 mm | 0.875 in; Compatible Screw Sizes 10

12SWS3699

Price Range
$0.1593 - $0.1161

Stock Levels
3000 In stock
Attributes
  • Base Height
    0.118 in
  • Base Outside Diameter
    0.374 in
  • Flange Height
    0.079 in
  • Flange Outside Diameter
    1.181 in
  • Inside Diameter
    0.197 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 28.6 mm | 1.125 in; Base Height 2.4 mm | 0.093 in; Base Outside Diameter 18.8 mm | 0.740 in; Compatible Screw Sizes 1/2 in

12SWS4001

Price Range
$0.1116 - $0.0813

Stock Levels
3500 In stock
Attributes
  • Base Height
    0.094 in
  • Base Outside Diameter
    0.740 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    1.125 in
  • Inside Diameter
    0.515 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.3 mm | 0.760 in; Base Height 6.7 mm | 0.263 in; Base Outside Diameter 9.4 mm | 0.370 in; Compatible Screw Sizes 1/4 in

12SWS3506

Price Range
$0.3939 - $0.2873

Stock Levels
500 In stock
Attributes
  • Base Height
    0.263 in
  • Base Outside Diameter
    0.370 in
  • Flange Height
    0.127 in
  • Flange Outside Diameter
    0.760 in
  • Inside Diameter
    0.267 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 52.5 mm | 2.065 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 26.7 mm | 1.050 in;

12SWS5002

Price Range
$1.8062 - $1.3167

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    1.050 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    2.065 in
  • Inside Diameter
    0.783 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.251 in; Base Height 10.3 mm | 0.406 in; Base Outside Diameter 13.4 mm | 0.528 in;

12SWS4006

Price Range
$0.2363 - $0.1722

Stock Levels
500 In stock
Attributes
  • Base Height
    0.406 in
  • Base Outside Diameter
    0.528 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    1.251 in
  • Inside Diameter
    0.471 in
Quick View
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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 11.3 mm | 0.445 in;

12SWS3510

Price Range
$0.1067 - $0.0779

Stock Levels
2000 In stock
Attributes
  • Base Height
    0.406 in
  • Base Outside Diameter
    0.445 in
  • Flange Height
    0.094 in
  • Flange Outside Diameter
    0.825 in
  • Inside Diameter
    0.306 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 2.4 mm | 0.093 in; Base Outside Diameter 23.6 mm | 0.930 in; Compatible Screw Sizes 9/16 in

12SWS4010

Price Range
$0.2453 - $0.1787

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.094 in
  • Base Outside Diameter
    0.930 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.562 in
Quick View
View Product >
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22 mm | 0.866 in; Base Height 24 mm | 0.945 in; Base Outside Diameter 14.5 mm | 0.571 in;

12SWS3169

Price Range
$0.6354 - $0.2792

Stock Levels
4500 In stock
Attributes
  • Base Height
    0.945 in
  • Base Outside Diameter
    0.571 in
  • Flange Height
    0.098 in
  • Flange Outside Diameter
    0.866 in
  • Inside Diameter
    0.395 in
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 34.7 mm | 1.365 in; Base Height 7.8 mm | 0.309 in; Base Outside Diameter 28.4 mm | 1.120 in;

12SWS4019

Price Range
$0.0993 - $0.0723

Stock Levels
4250 In stock
Attributes
  • Base Height
    0.309 in
  • Base Outside Diameter
    1.120 in
  • Flange Height
    0.128 in
  • Flange Outside Diameter
    1.365 in
  • Inside Diameter
    0.870 in
Quick View
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Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 14 mm | 0.551 in; Base Outside Diameter 13.5 mm | 0.531 in;

12SWS4023

Price Range
$0.5082 - $0.2232

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.551 in
  • Base Outside Diameter
    0.531 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.492 in
Quick View
View Product >