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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
$0.2855 - $0.3917 4500 In stock
0.26 in
1 in
$0.0689 - $0.0766 Request the lead time here
0.787 in
0.465 in
0.256 in
0.531 in
0.65 in
$0.0267 - $0.0296 Request the lead time here
0.217 in
0.28 in
0.173 in
0.343 in
0.181 in
$0.2042 - $0.28 Request the lead time here
0.531 in
0.787 in
0.437 in
1.094 in
0.197 in
$0.0455 - $0.0504 Request the lead time here
0.157 in
0.374 in
0.201 in
0.567 in
0.126 in
$0.0247 - $0.0274 Request the lead time here
0.169 in
0.402 in
0.319 in
0.5 in
0.122 in
$0.0341 - $0.038 Request the lead time here
0.157 in
0.244 in
0.114 in
0.303 in
0.118 in
$0.0362 - $0.0495 15000 In stock
0.287 in
0.535 in
0.256 in
0.594 in
0.248 in
$0.0433 - $0.0484 Request the lead time here
0.205 in
0.354 in
0.169 in
0.413 in
0.165 in
$0.0413 - $0.0459 158000 In stock
0.157 in
0.374 in
0.201 in
0.567 in
0.126 in
$0.0878 - $0.1205 5000 In stock
0.224 in
0.752 in
0.382 in
1 in
0.126 in
$0.0238 - $0.0265 31000 In stock
0.256 in
0.244 in
0.114 in
0.303 in
0.217 in
16CW010040 $0.041 - $0.0455 11000 In stock
0.228 in
0.409 in
0.193 in
0.469 in
0.189 in
$0.1856 - $0.2545 Request the lead time here
  • of 2
Cup Washer 6.6 mm 25.4 mm 5.0 mm 1/4 Nylon Black

16CW250250B

Price Range
$0.3917 - $0.2855

Stock Levels
4500 In stock
Attributes
  • Inside Diameter
    0.26 in
  • Outside Diameter
    1 in
  • Color
    Black
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
Cup Washer 6.5 mm 13.5 mm 20.0 mm 1/4 Nylon Black

16CW250042B

Price Range
$0.0766 - $0.0689

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.65 in
  • Bore Diameter
    0.465 in
  • Inside Diameter
    0.256 in
  • Outside Diameter
    0.531 in
  • Color
    Black
Cup Washer 4.4 mm 8.7 mm 5.5 mm #8 Nylon Black

16CW008043B

Price Range
$0.0296 - $0.0267

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.181 in
  • Bore Diameter
    0.28 in
  • Inside Diameter
    0.173 in
  • Outside Diameter
    0.343 in
  • Color
    Black
Cup Washer 11.1 mm 27.8 mm 13.5 mm 3/8 Nylon Black

16CW437520B

Price Range
$0.28 - $0.2042

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
    Black
Cup Washer 5.1 mm 14.4 mm 4.0 mm #10 Nylon Black

16CW010030B

Price Range
$0.0504 - $0.0455

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.126 in
  • Bore Diameter
    0.374 in
  • Inside Diameter
    0.201 in
  • Outside Diameter
    0.567 in
  • Color
    Black
Cup Washer 8.1 mm 12.7 mm 4.3 mm 5/16 Nylon Black

16CW312050B

Price Range
$0.0274 - $0.0247

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.122 in
  • Bore Diameter
    0.402 in
  • Inside Diameter
    0.319 in
  • Outside Diameter
    0.5 in
  • Color
    Black
Cup Washer 2.9 mm 7.7 mm 4.0 mm #4 Nylon 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
    0.303 in
  • Color
    Black
Cup Washer 6.5 mm 15.1 mm 7.3 mm 1/4 Nylon Black

16CW250040B

Price Range
$0.0495 - $0.0362

Stock Levels
15000 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 4.3 mm 10.5 mm 5.2 mm #8 Nylon Black

16CW008040B

Price Range
$0.0484 - $0.0433

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.165 in
  • Bore Diameter
    0.354 in
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.413 in
  • Color
    Black
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
158000 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
5000 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 5.5 mm | 0.217 in; Inside Diameter 2.9 mm | 0.114 in

16CW004257

Price Range
$0.0265 - $0.0238

Stock Levels
31000 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
11000 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
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
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer