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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.

  • Colors: Natural and Black
  • UL94 V2 and UL94 V0.

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1,999 results
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
$0.0521 - $0.0715 Request the lead time here
0.156 in
0.740 in
0.469 in
0.250 in
0.375 in
$0.0414 - $0.0566 1000 In stock
0.066 in
0.750 in
0.174 in
0.470 in
0.625 in
$0.0528 - $0.0725 37000 In stock
0.065 in
0.750 in
0.250 in
0.170 in
0.320 in
$0.0425 - $0.0584 Request the lead time here
0.240 in
0.750 in
0.180 in
0.370 in
0.500 in
$0.0245 - $0.0337 3000 In stock
0.060 in
0.510 in
0.085 in
0.175 in
8
0.315 in
$0.0318 - $0.0436 2000 In stock
0.058 in
0.752 in
0.196 in
0.378 in
3/8
0.476 in
$0.115 - $0.1577 1000 In stock
0.031 in
1.188 in
0.250 in
0.563 in
9/16
0.625 in
$0.086 - $0.118 Request the lead time here
0.132 in
0.805 in
0.108 in
0.324 in
5/16
0.502 in
$0.1761 - $0.2414 Request the lead time here
0.062 in
1.000 in
0.031 in
0.375 in
3/8
0.500 in
$0.0405 - $0.0928 Request the lead time here
0.063 in
0.625 in
0.125 in
0.200 in
10
0.313 in
$0.0421 - $0.0578 17000 In stock
0.063 in
0.750 in
0.031 in
0.260 in
1/4
0.375 in
$0.0772 - $0.106 1000 In stock
0.062 in
0.875 in
0.204 in
0.379 in
3/8
0.626 in
$0.0398 - $0.0546 Request the lead time here
0.090 in
0.740 in
0.354 in
0.312 in
5/16
0.435 in
12SWS3151 $0.0899 - $0.1233 5000 In stock
0.125 in
0.875 in
0.375 in
0.510 in
0.633 in
$0.0486 - $0.0668 35500 In stock
0.063 in
0.874 in
0.689 in
0.507 in
1/2
0.634 in
$0.112 - $0.1536 Request the lead time here
0.095 in
1.105 in
0.281 in
0.515 in
1/2
0.718 in
12SWS3693 $0.3064 - $0.4203 Request the lead time here
0.156 in
1.250 in
0.422 in
0.818 in
1.002 in
$0.1391 - $0.1908 Request the lead time here
0.212 in
1.250 in
0.100 in
0.340 in
1.000 in
12SWS3999 $0.1578 - $0.2165 4250 In stock
0.130 in
1.250 in
0.485 in
0.480 in
0.875 in
$0.1889 - $0.2591 40750 In stock
0.125 in
1.245 in
0.500 in
0.627 in
0.875 in
  • of 100
Natural Nylon 6/6 Shoulder Washer - ; Base Height 11.9 mm | 0.468 in; Base Outside Diameter 9.5 mm | 0.375 in;

12SWS2566

Price Range
$0.0715 - $0.0521

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.469 in
  • Base Outside Diameter
    0.375 in
  • Flange Height
    0.156 in
  • Flange Outside Diameter
    0.740 in
  • Inside Diameter
    0.250 in
Natural Nylon 6/6 Shoulder Washer - ; Base Height 4.4 mm | 0.174 in; Base Outside Diameter 15.9 mm | 0.625 in;

12SWS2567

Price Range
$0.0566 - $0.0414

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.174 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.066 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.470 in
Natural Nylon 6/6 Shoulder Washer - ; Base Height 6.4 mm | 0.250 in; Base Outside Diameter 8.1 mm | 0.320 in;

12SWS2577

Price Range
$0.0725 - $0.0528

Stock Levels
37000 In stock
Attributes
  • Base Height
    0.250 in
  • Base Outside Diameter
    0.320 in
  • Flange Height
    0.065 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.170 in
Natural Nylon 6/6 Shoulder Washer - ; Base Height 4.6 mm | 0.180 in; Base Outside Diameter 12.7 mm | 0.500 in;

12SWS2579

Price Range
$0.0584 - $0.0425

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.180 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.240 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.370 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 13 mm | 0.510 in; Base Height 2.2 mm | 0.085 in; Base Outside Diameter 8 mm | 0.315 in; Compatible Screw Sizes 8

12SWS2583

Price Range
$0.0337 - $0.0245

Stock Levels
3000 In stock
Attributes
  • Base Height
    0.085 in
  • Base Outside Diameter
    0.315 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.510 in
  • Inside Diameter
    0.175 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.752 in; Base Height 5 mm | 0.196 in; Base Outside Diameter 12.1 mm | 0.476 in; Compatible Screw Sizes 3/8

12SWS2588

Price Range
$0.0436 - $0.0318

Stock Levels
2000 In stock
Attributes
  • Base Height
    0.196 in
  • Base Outside Diameter
    0.476 in
  • Flange Height
    0.058 in
  • Flange Outside Diameter
    0.752 in
  • Inside Diameter
    0.378 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 30.2 mm | 1.188 in; Base Height 6.4 mm | 0.250 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 9/16 in

12SWS3028

Price Range
$0.1577 - $0.115

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.250 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.031 in
  • Flange Outside Diameter
    1.188 in
  • Inside Diameter
    0.563 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 20.4 mm | 0.805 in; Base Height 2.7 mm | 0.108 in; Base Outside Diameter 12.8 mm | 0.502 in; Compatible Screw Sizes 5/16 in

12SWS3032

Price Range
$0.118 - $0.086

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.108 in
  • Base Outside Diameter
    0.502 in
  • Flange Height
    0.132 in
  • Flange Outside Diameter
    0.805 in
  • Inside Diameter
    0.324 in
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 12.7 mm | 0.500 in; Compatible Screw Sizes 3/8

12SWS3036

Price Range
$0.2414 - $0.1761

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    1.000 in
  • Inside Diameter
    0.375 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.9 mm | 0.625 in; Base Height 3.2 mm | 0.125 in; Base Outside Diameter 8 mm | 0.313 in; Compatible Screw Sizes 10

12SWS3040

Price Range
$0.0928 - $0.0405

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.125 in
  • Base Outside Diameter
    0.313 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.625 in
  • Inside Diameter
    0.200 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 0.8 mm | 0.031 in; Base Outside Diameter 9.5 mm | 0.375 in; Compatible Screw Sizes 1/4 in

12SWS3101

Price Range
$0.0578 - $0.0421

Stock Levels
17000 In stock
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.375 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.260 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.2 mm | 0.875 in; Base Height 5.2 mm | 0.204 in; Base Outside Diameter 15.9 mm | 0.626 in; Compatible Screw Sizes 3/8

12SWS3106

Price Range
$0.106 - $0.0772

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.204 in
  • Base Outside Diameter
    0.626 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.875 in
  • Inside Diameter
    0.379 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 18.8 mm | 0.740 in; Base Height 9 mm | 0.354 in; Base Outside Diameter 11 mm | 0.435 in; Compatible Screw Sizes 5/16 in

12SWS3108

Price Range
$0.0546 - $0.0398

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.354 in
  • Base Outside Diameter
    0.435 in
  • Flange Height
    0.090 in
  • Flange Outside Diameter
    0.740 in
  • Inside Diameter
    0.312 in
Natural Nylon 6/6 Shoulder Washer - Outside Diameter 22.2 mm | 0.875 in; Base Height 9.5 mm | 0.375 in; Base Outside Diameter 16.1 mm | 0.633 in;

12SWS3151

Price Range
$0.1233 - $0.0899

Stock Levels
5000 In stock
Attributes
  • Base Height
    0.375 in
  • Base Outside Diameter
    0.633 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.875 in
  • Inside Diameter
    0.510 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.2 mm | 0.874 in; Base Height 17.5 mm | 0.689 in; Base Outside Diameter 16.1 mm | 0.634 in; Compatible Screw Sizes 1/2 in

12SWS3156

Price Range
$0.0668 - $0.0486

Stock Levels
35500 In stock
Attributes
  • Base Height
    0.689 in
  • Base Outside Diameter
    0.634 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.874 in
  • Inside Diameter
    0.507 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 28.1 mm | 1.105 in; Base Height 7.1 mm | 0.281 in; Base Outside Diameter 18.2 mm | 0.718 in; Compatible Screw Sizes 1/2 in

12SWS3686

Price Range
$0.1536 - $0.112

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.281 in
  • Base Outside Diameter
    0.718 in
  • Flange Height
    0.095 in
  • Flange Outside Diameter
    1.105 in
  • Inside Diameter
    0.515 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 10.7 mm | 0.422 in; Base Outside Diameter 25.5 mm | 1.002 in;

12SWS3693

Price Range
$0.4203 - $0.3064

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.422 in
  • Base Outside Diameter
    1.002 in
  • Flange Height
    0.156 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.818 in
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 25.4 mm | 1.000 in;

12SWS3697

Price Range
$0.1908 - $0.1391

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.100 in
  • Base Outside Diameter
    1.000 in
  • Flange Height
    0.212 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.340 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 12.3 mm | 0.485 in; Base Outside Diameter 22.2 mm | 0.875 in;

12SWS3999

Price Range
$0.2165 - $0.1578

Stock Levels
4250 In stock
Attributes
  • Base Height
    0.485 in
  • Base Outside Diameter
    0.875 in
  • Flange Height
    0.130 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.480 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.6 mm | 1.245 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 22.2 mm | 0.875 in;

12SWS4004

Price Range
$0.2591 - $0.1889

Stock Levels
40750 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.875 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    1.245 in
  • Inside Diameter
    0.627 in