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Insulating Cup Washers

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Cupped Washers, also known as Insulator Washers, are designed to protect the head of a metal screw from electrical contact.

Our Cup Washer range is made from Nylon 6/6 that benefits from a UL94 V2 flame rating, as well as being corrosion resistant, and have resistance against oil and most chemicals.

This insulator washer range can accommodate the most common screw head styles, including; Cheese, Pan and Fillister.

  • Color: Natural

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34 results
Product SKUs information
Item Code Price range Availability Height Bore Diameter Inside Diameter Outside Diameter Bore Depth View
$0.0625 - $0.0696 Request the lead time here
0.787 in
0.465 in
0.26 in
0.531 in
0.65 in
$0.0413 - $0.0459 143000 In stock
0.157 in
0.374 in
0.201 in
0.567 in
0.126 in
$0.0878 - $0.1205 11500 In stock
0.224 in
0.752 in
0.382 in
1 in
0.126 in
16CW004040 $0.0309 - $0.0345 17000 In stock
0.157 in
0.244 in
0.114 in
0.307 in
0.118 in
$0.2595 - $0.3561 6000 In stock
0.197 in
0.5 in
0.26 in
1 in
0.15 in
16CW008043 $0.0242 - $0.0269 99000 In stock
0.217 in
0.28 in
0.173 in
0.343 in
0.181 in
16CW250040 $0.0329 - $0.045 6000 In stock
0.287 in
0.535 in
0.256 in
0.594 in
0.248 in
$0.0238 - $0.0265 28000 In stock
0.256 in
0.244 in
0.114 in
0.303 in
0.217 in
16CW010040 $0.041 - $0.0455 Request the lead time here
0.232 in
0.409 in
0.193 in
0.469 in
0.189 in
$0.1856 - $0.2545 Request the lead time here
0.531 in
0.787 in
0.437 in
1.094 in
0.197 in
$0.2855 - $0.3917 4000 In stock
0.26 in
1 in
$0.0341 - $0.038 Request the lead time here
0.157 in
0.244 in
0.114 in
0.307 in
0.118 in
$0.0362 - $0.0495 14000 In stock
0.287 in
0.535 in
0.256 in
0.594 in
0.248 in
$0.0756 - $0.1037 1000 In stock
0.5 in
0.626 in
0.343 in
0.874 in
0.378 in
  • of 2
Natural Nylon Finishing Washer - Bore Depth 16.5 mm | 0.65 in; Inside Diameter 6.5 mm | 0.256 in

16CW250042

Price Range
$0.0696 - $0.0625

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.65 in
  • Bore Diameter
    0.465 in
  • Inside Diameter
    0.26 in
  • Outside Diameter
    0.531 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 3.2 mm | 0.126 in; Inside Diameter 5.1 mm | 0.201 in

16CW010030

Price Range
$0.0459 - $0.0413

Stock Levels
143000 In stock
Attributes
  • Bore Depth
    0.126 in
  • Bore Diameter
    0.374 in
  • Inside Diameter
    0.201 in
  • Outside Diameter
    0.567 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 3.2 mm | 0.126 in; Inside Diameter 9.7 mm | 0.382 in

16CW375225

Price Range
$0.1205 - $0.0878

Stock Levels
11500 In stock
Attributes
  • Bore Depth
    0.126 in
  • Bore Diameter
    0.752 in
  • Inside Diameter
    0.382 in
  • Outside Diameter
    1 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 3.0 mm | 0.118 in; Inside Diameter 2.9 mm | 0.114 in

16CW004040

Price Range
$0.0345 - $0.0309

Stock Levels
17000 In stock
Attributes
  • Bore Depth
    0.118 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.307 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 3.8 mm | 0.15 in; Inside Diameter 6.6 mm | 0.26 in

16CW250250

Price Range
$0.3561 - $0.2595

Stock Levels
6000 In stock
Attributes
  • Bore Depth
    0.15 in
  • Bore Diameter
    0.5 in
  • Inside Diameter
    0.26 in
  • Outside Diameter
    1 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 4.6 mm | 0.181 in; Inside Diameter 4.4 mm | 0.173 in

16CW008043

Price Range
$0.0269 - $0.0242

Stock Levels
99000 In stock
Attributes
  • Bore Depth
    0.181 in
  • Bore Diameter
    0.28 in
  • Inside Diameter
    0.173 in
  • Outside Diameter
    0.343 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 6.3 mm | 0.248 in; Inside Diameter 6.5 mm | 0.256 in

16CW250040

Price Range
$0.045 - $0.0329

Stock Levels
6000 In stock
Attributes
  • Bore Depth
    0.248 in
  • Bore Diameter
    0.535 in
  • Inside Diameter
    0.256 in
  • Outside Diameter
    0.594 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 5.5 mm | 0.217 in; Inside Diameter 2.9 mm | 0.114 in

16CW004257

Price Range
$0.0265 - $0.0238

Stock Levels
28000 In stock
Attributes
  • Bore Depth
    0.217 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.303 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 4.8 mm | 0.189 in; Inside Diameter 4.9 mm | 0.193 in

16CW010040

Price Range
$0.0455 - $0.041

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.189 in
  • Bore Diameter
    0.409 in
  • Inside Diameter
    0.193 in
  • Outside Diameter
    0.469 in
  • Color
    Natural
Natural Nylon Finishing Washer - Bore Depth 5.0 mm | 0.197 in; Inside Diameter 11.1 mm | 0.437 in

16CW437520

Price Range
$0.2545 - $0.1856

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.197 in
  • Bore Diameter
    0.787 in
  • Inside Diameter
    0.437 in
  • Outside Diameter
    1.094 in
  • Color
    Natural
Cup Washer 6.6 mm 25.4 mm 5.0 mm 1/4 in Nylon 6/6 Black

16CW250250B

Price Range
$0.3917 - $0.2855

Stock Levels
4000 In stock
Attributes
  • Inside Diameter
    0.26 in
  • Outside Diameter
    1 in
  • Color
    Black
  • Full Material
    Polyamide 6/6
  • Material
    Nylon 6/6
Cup Washer 2.9 mm 7.8 mm 4.0 mm #4 Nylon 6/6 Black

16CW004040B

Price Range
$0.038 - $0.0341

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.118 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.307 in
  • Color
    Black
Cup Washer 6.5 mm 15.1 mm 7.3 mm 1/4 in Nylon 6/6 Black

16CW250040B

Price Range
$0.0495 - $0.0362

Stock Levels
14000 In stock
Attributes
  • Bore Depth
    0.248 in
  • Bore Diameter
    0.535 in
  • Inside Diameter
    0.256 in
  • Outside Diameter
    0.594 in
  • Color
    Black
Cup Washer 8.7 mm 22.2 mm 12.7 mm 5/16 in Nylon 6/6 Black

16CW312500B

Price Range
$0.1037 - $0.0756

Stock Levels
1000 In stock
Attributes
  • Bore Depth
    0.378 in
  • Bore Diameter
    0.626 in
  • Inside Diameter
    0.343 in
  • Outside Diameter
    0.874 in
  • Color
    Black