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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
$0.0553 - $0.0758 Request the lead time here
$0.0878 - $0.1205 5000 In stock
16CW006040 $0.0287 - $0.0393 62000 In stock
16CW250040 $0.0329 - $0.045 8000 In stock
16CW008043 $0.0214 - $0.0293 88000 In stock
$0.0687 - $0.0943 9000 In stock
16CW008040 $0.0348 - $0.0478 24000 In stock
$0.0365 - $0.05 158000 In stock
16CW008041 $0.0545 - $0.0748 8000 In stock
$0.0467 - $0.0642 3500 In stock
$0.0218 - $0.0298 Request the lead time here
$0.0198 - $0.0272 21000 In stock
16CW004040 $0.0273 - $0.0375 28000 In stock
$0.2595 - $0.3561 6000 In stock
$0.0218 - $0.03 Request the lead time here
0.169 in
0.402 in
0.319 in
0.5 in
0.122 in
$0.0235 - $0.0322 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
$0.0402 - $0.055 Request the lead time here
0.157 in
0.374 in
0.201 in
0.567 in
0.126 in
$0.0608 - $0.0834 Request the lead time here
0.787 in
0.465 in
0.256 in
0.531 in
0.65 in
$0.0258 - $0.0318 Request the lead time here
0.256 in
0.244 in
0.114 in
0.303 in
0.217 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
$0.0758 - $0.0553

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
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
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 3.6 mm | 0.142 in; Inside Diameter 3.6 mm | 0.142 in

16CW006040

Price Range
$0.0393 - $0.0287

Stock Levels
62000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
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
8000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 4.6 mm | 0.181 in; Inside Diameter 4.4 mm | 0.173 in

16CW008043

Price Range
$0.0293 - $0.0214

Stock Levels
88000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 9.6 mm | 0.378 in; Inside Diameter 8.7 mm | 0.343 in

16CW312500

Price Range
$0.0943 - $0.0687

Stock Levels
9000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 4.2 mm | 0.165 in; Inside Diameter 4.3 mm | 0.169 in

16CW008040

Price Range
$0.0478 - $0.0348

Stock Levels
24000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 3.2 mm | 0.126 in; Inside Diameter 5.1 mm | 0.201 in

16CW010030

Price Range
$0.05 - $0.0365

Stock Levels
158000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 3.3 mm | 0.13 in; Inside Diameter 4.3 mm | 0.169 in

16CW008041

Price Range
$0.0748 - $0.0545

Stock Levels
8000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 6.4 mm | 0.252 in; Inside Diameter 8.7 mm | 0.343 in

16CW312375

Price Range
$0.0642 - $0.0467

Stock Levels
3500 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 2.4 mm | 0.094 in; Inside Diameter 4.7 mm | 0.185 in

16CW008042

Price Range
$0.0298 - $0.0218

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 3.1 mm | 0.122 in; Inside Diameter 8.1 mm | 0.319 in

16CW312050

Price Range
$0.0272 - $0.0198

Stock Levels
21000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Natural Nylon Finishing Washer - Bore Depth 3.0 mm | 0.118 in; Inside Diameter 2.9 mm | 0.114 in

16CW004040

Price Range
$0.0375 - $0.0273

Stock Levels
28000 In stock
Attributes
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
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
  • Color
    Natural
  • Full Material
    Polyamide 6/6
  • Material
    Nylon
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
Cup Washer 8.1 mm 12.7 mm 4.3 mm 5/16 Nylon Black

16CW312050B

Price Range
$0.03 - $0.0218

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 4.4 mm 8.7 mm 5.5 mm #8 Nylon Black

16CW008043B

Price Range
$0.0322 - $0.0235

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
$0.055 - $0.0402

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 6.5 mm 13.5 mm 20.0 mm 1/4 Nylon Black

16CW250042B

Price Range
$0.0834 - $0.0608

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 2.9 mm 7.7 mm 6.5 mm #4 Nylon Black

16CW004257B

Price Range
$0.0318 - $0.0258

Stock Levels
Request the lead time here
Attributes
  • Bore Depth
    0.217 in
  • Bore Diameter
    0.244 in
  • Inside Diameter
    0.114 in
  • Outside Diameter
    0.303 in
  • Color
    Black