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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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17 results
Product SKUs information
Item Code Price range Availability Height Bore Diameter Inside Diameter Bore Depth Outside Diameter View
$0.0205 - $0.0282 In production
0.256 in
0.244 in
0.114 in
0.217 in
0.303 in
$0.0212 - $0.029 2500 In stock
0.138 in
0.39 in
0.185 in
0.094 in
0.496 in
16CW010040 $0.0352 - $0.0483 88000 In stock
0.228 in
0.409 in
0.193 in
0.189 in
0.469 in
$0.0193 - $0.0265 27000 In stock
0.169 in
0.402 in
0.319 in
0.122 in
0.5 in
16CW008040 $0.0339 - $0.0465 In production
0.205 in
0.354 in
0.169 in
0.165 in
0.413 in
$0.0355 - $0.0487 175000 In stock
0.157 in
0.374 in
0.201 in
0.126 in
0.567 in
$0.0538 - $0.0738 32000 In stock
0.787 in
0.465 in
0.256 in
0.65 in
0.531 in
$0.0855 - $0.1173 500 In stock
0.224 in
0.752 in
0.382 in
0.126 in
1 in
16CW004040 $0.0266 - $0.0365 20000 In stock
0.157 in
0.244 in
0.114 in
0.118 in
0.303 in
16CW008041 $0.0531 - $0.0728 In production
0.169 in
0.354 in
0.169 in
0.13 in
0.413 in
$0.2527 - $0.3467 500 In stock
0.197 in
0.5 in
0.26 in
0.15 in
1 in
$0.0455 - $0.0625 2000 In stock
0.374 in
0.626 in
0.343 in
0.252 in
0.874 in
$0.1807 - $0.2478 750 In stock
0.531 in
0.787 in
0.437 in
0.197 in
1.094 in
16CW006040 $0.0279 - $0.0383 12000 In stock
0.181 in
0.299 in
0.142 in
0.142 in
0.358 in
16CW008043 $0.0208 - $0.0285 118000 In stock
0.217 in
0.28 in
0.173 in
0.181 in
0.343 in
16CW250040 $0.032 - $0.0438 13000 In stock
0.287 in
0.535 in
0.256 in
0.248 in
0.594 in
$0.0669 - $0.0918 19000 In stock
0.5 in
0.626 in
0.343 in
0.378 in
0.874 in
Finishing Washer 2.9 mm 7.7 mm 6.5 mm #4 Nylon

16CW004257

Price Range
$0.0282 - $0.0205

Stock Levels
In production
Attributes
  • Bore Depth
    0.217 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.303 in
  • Color
    Natural
Finishing Washer 4.7 mm 12.6 mm 3.5 mm #8 Nylon

16CW008042

Price Range
$0.029 - $0.0212

Stock Levels
2500 In stock
Attributes
  • Bore Depth
    0.094 in
  • Bore Diameter
    0.39 in
  • Inside Diameter
    0.185 in
  • Outside Diameter
    0.496 in
  • Color
    Natural
Finishing Washer 4.9 mm 11.9 mm 5.8 mm #10 Nylon

16CW010040

Price Range
$0.0483 - $0.0352

Stock Levels
88000 In stock
Attributes
  • Bore Depth
    0.189 in
  • Bore Diameter
    0.409 in
  • Inside Diameter
    0.193 in
  • Outside Diameter
    0.469 in
  • Color
    Natural
Finishing Washer 8.1 mm 12.7 mm 4.3 mm 5/16 Nylon

16CW312050

Price Range
$0.0265 - $0.0193

Stock Levels
27000 In stock
Attributes
  • Bore Depth
    0.122 in
  • Bore Diameter
    0.402 in
  • Inside Diameter
    0.319 in
  • Outside Diameter
    0.5 in
  • Color
    Natural
Finishing Washer 4.3 mm 10.5 mm 5.2 mm #8 Nylon

16CW008040

Price Range
$0.0465 - $0.0339

Stock Levels
In production
Attributes
  • Bore Depth
    0.165 in
  • Bore Diameter
    0.354 in
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.413 in
  • Color
    Natural
Finishing Washer 5.1 mm 14.4 mm 4.0 mm #10 Nylon

16CW010030

Price Range
$0.0487 - $0.0355

Stock Levels
175000 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
Finishing Washer 6.5 mm 13.5 mm 20.0 mm 1/4 Nylon

16CW250042

Price Range
$0.0738 - $0.0538

Stock Levels
32000 In stock
Attributes
  • Bore Depth
    0.65 in
  • Bore Diameter
    0.465 in
  • Inside Diameter
    0.256 in
  • Outside Diameter
    0.531 in
  • Color
    Natural
Finishing Washer 9.7 mm 25.4 mm 5.7 mm 3/8 Nylon

16CW375225

Price Range
$0.1173 - $0.0855

Stock Levels
500 In stock
Attributes
  • Bore Depth
    0.126 in
  • Bore Diameter
    0.752 in
  • Inside Diameter
    0.382 in
  • Outside Diameter
    1 in
  • Color
    Natural
Finishing Washer 2.9 mm 7.7 mm 4.0 mm #4 Nylon

16CW004040

Price Range
$0.0365 - $0.0266

Stock Levels
20000 In stock
Attributes
  • Bore Depth
    0.118 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.303 in
  • Color
    Natural
Finishing Washer 4.3 mm 10.5 mm 4.3 mm #8 Nylon

16CW008041

Price Range
$0.0728 - $0.0531

Stock Levels
In production
Attributes
  • Bore Depth
    0.13 in
  • Bore Diameter
    0.354 in
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.413 in
  • Color
    Natural
Finishing Washer 6.6 mm 25.4 mm 5.0 mm 1/4 Nylon

16CW250250

Price Range
$0.3467 - $0.2527

Stock Levels
500 In stock
Attributes
  • Bore Depth
    0.15 in
  • Bore Diameter
    0.5 in
  • Inside Diameter
    0.26 in
  • Outside Diameter
    1 in
  • Color
    Natural
Finishing Washer 8.7 mm 22.2 mm 9.5 mm 5/16 Nylon

16CW312375

Price Range
$0.0625 - $0.0455

Stock Levels
2000 In stock
Attributes
  • Bore Depth
    0.252 in
  • Bore Diameter
    0.626 in
  • Inside Diameter
    0.343 in
  • Outside Diameter
    0.874 in
  • Color
    Natural
Finishing Washer 11.1 mm 27.8 mm 13.5 mm 3/8 Nylon

16CW437520

Price Range
$0.2478 - $0.1807

Stock Levels
750 In stock
Attributes
  • Bore Depth
    0.197 in
  • Bore Diameter
    0.787 in
  • Inside Diameter
    0.437 in
  • Outside Diameter
    1.094 in
  • Color
    Natural
Finishing Washer 3.6 mm 9.1 mm 4.6 mm #6 Nylon

16CW006040

Price Range
$0.0383 - $0.0279

Stock Levels
12000 In stock
Attributes
  • Bore Depth
    0.142 in
  • Bore Diameter
    0.299 in
  • Inside Diameter
    0.142 in
  • Outside Diameter
    0.358 in
  • Color
    Natural
Finishing Washer 4.4 mm 8.7 mm 5.5 mm #8 Nylon

16CW008043

Price Range
$0.0285 - $0.0208

Stock Levels
118000 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
Finishing Washer 6.5 mm 15.1 mm 7.3 mm 1/4 Nylon

16CW250040

Price Range
$0.0438 - $0.032

Stock Levels
13000 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
Finishing Washer 8.7 mm 22.2 mm 12.7 mm 5/16 Nylon

16CW312500

Price Range
$0.0918 - $0.0669

Stock Levels
19000 In stock
Attributes
  • Bore Depth
    0.378 in
  • Bore Diameter
    0.626 in
  • Inside Diameter
    0.343 in
  • Outside Diameter
    0.874 in
  • Color
    Natural