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Insulating Cup Washers

In stock

Round Cup Washers are ofter used for covering large holes, like pipe and tube ends. They are shaped like a cup or bowl and often have a flanged area beneath the head - useful for evenly distributing a load over a surface area.

It insulates the head of a metal screw from electrical currents or other conductive materials. It is resistant to corrosion, oil and other chemicals. It can be used with most screw head styles such as cheese, pan and fillister.

  • Material: Nylon
  • Colour: Natural

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17 results
Product SKUs information
Item Code Price range Availability Height Bore Diameter Inside Diameter Outside Diameter Bore Depth View
£ 0.0187 - £ 0.0231 In production
6.5 mm
6.2 mm
2.9 mm
7.7 mm
5.5 mm
£ 0.0192 - £ 0.0237 6400 In stock
3.5 mm
9.9 mm
4.7 mm
12.6 mm
2.4 mm
16CW010040 £ 0.032 - £ 0.0395 50 In stock
5.8 mm
10.4 mm
4.9 mm
11.9 mm
4.8 mm
16CW312500 £ 0.0608 - £ 0.0751 455 In stock
12.7 mm
15.9 mm
8.7 mm
22.2 mm
9.6 mm
16CW437520 £ 0.1643 - £ 0.2029 1488 In stock
13.5 mm
20.0 mm
11.1 mm
27.8 mm
5.0 mm
£ 0.0254 - £ 0.0313 86 In stock
4.6 mm
7.6 mm
3.6 mm
9.1 mm
3.6 mm
£ 0.0189 - £ 0.0233 2550 In stock
5.5 mm
7.1 mm
4.4 mm
8.7 mm
4.6 mm
£ 0.0489 - £ 0.0604 838 In stock
20.0 mm
11.8 mm
6.5 mm
13.5 mm
16.5 mm
£ 0.0242 - £ 0.0298 1252 In stock
4.0 mm
6.2 mm
2.9 mm
7.7 mm
3.0 mm
£ 0.0482 - £ 0.0596 2705 In stock
4.3 mm
9.0 mm
4.3 mm
10.5 mm
3.3 mm
16CW250250 £ 0.2299 - £ 0.2839 845 In stock
5.0 mm
12.7 mm
6.6 mm
25.4 mm
3.8 mm
16CW375225 £ 0.0778 - £ 0.096 5000 In stock
5.7 mm
19.1 mm
9.7 mm
25.4 mm
3.2 mm
£ 0.0308 - £ 0.038 35193 In stock
5.2 mm
9.0 mm
4.3 mm
10.5 mm
4.2 mm
16CW010030 £ 0.0323 - £ 0.0398 993 In stock
4.0 mm
9.5 mm
5.1 mm
14.4 mm
3.2 mm
£ 0.0175 - £ 0.0217 7925 In stock
4.3 mm
10.2 mm
8.1 mm
12.7 mm
3.1 mm
£ 0.029 - £ 0.0358 5683 In stock
7.3 mm
13.6 mm
6.5 mm
15.1 mm
6.3 mm
16CW312375 £ 0.0414 - £ 0.0511 1402 In stock
9.5 mm
15.9 mm
8.7 mm
22.2 mm
6.4 mm
Finishing Washer 2.9 mm 7.7 mm 6.5 mm #4 Nylon

16CW004257

Price Range
£ 0.0231 - £ 0.0187

Stock Levels
In production
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    2.9 mm
Finishing Washer 4.7 mm 12.6 mm 3.5 mm #8 Nylon

16CW008042

Price Range
£ 0.0237 - £ 0.0192

Stock Levels
6400 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.7 mm
Finishing Washer 4.9 mm 11.9 mm 5.8 mm #10 Nylon

16CW010040

Price Range
£ 0.0395 - £ 0.032

Stock Levels
50 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.9 mm
Finishing Washer 8.7 mm 22.2 mm 12.7 mm 5/16 Nylon

16CW312500

Price Range
£ 0.0751 - £ 0.0608

Stock Levels
455 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    8.7 mm
Finishing Washer 11.1 mm 27.8 mm 13.5 mm 3/8 Nylon

16CW437520

Price Range
£ 0.2029 - £ 0.1643

Stock Levels
1488 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    11.1 mm
Finishing Washer 3.6 mm 9.1 mm 4.6 mm #6 Nylon

16CW006040

Price Range
£ 0.0313 - £ 0.0254

Stock Levels
86 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    3.6 mm
Finishing Washer 4.4 mm 8.7 mm 5.5 mm #8 Nylon

16CW008043

Price Range
£ 0.0233 - £ 0.0189

Stock Levels
2550 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.4 mm
Finishing Washer 6.5 mm 13.5 mm 20.0 mm 1/4 Nylon

16CW250042

Price Range
£ 0.0604 - £ 0.0489

Stock Levels
838 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    6.5 mm
Finishing Washer 2.9 mm 7.7 mm 4.0 mm #4 Nylon

16CW004040

Price Range
£ 0.0298 - £ 0.0242

Stock Levels
1252 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    2.9 mm
Finishing Washer 4.3 mm 10.5 mm 4.3 mm #8 Nylon

16CW008041

Price Range
£ 0.0596 - £ 0.0482

Stock Levels
2705 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.3 mm
Finishing Washer 6.6 mm 25.4 mm 5.0 mm 1/4 Nylon

16CW250250

Price Range
£ 0.2839 - £ 0.2299

Stock Levels
845 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    6.6 mm
Finishing Washer 9.7 mm 25.4 mm 5.7 mm 3/8 Nylon

16CW375225

Price Range
£ 0.096 - £ 0.0778

Stock Levels
5000 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    9.7 mm
Finishing Washer 4.3 mm 10.5 mm 5.2 mm #8 Nylon

16CW008040

Price Range
£ 0.038 - £ 0.0308

Stock Levels
35193 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.3 mm
Finishing Washer 5.1 mm 14.4 mm 4.0 mm #10 Nylon

16CW010030

Price Range
£ 0.0398 - £ 0.0323

Stock Levels
993 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    5.1 mm
Finishing Washer 8.1 mm 12.7 mm 4.3 mm 5/16 Nylon

16CW312050

Price Range
£ 0.0217 - £ 0.0175

Stock Levels
7925 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    8.1 mm
Finishing Washer 6.5 mm 15.1 mm 7.3 mm 1/4 Nylon

16CW250040

Price Range
£ 0.0358 - £ 0.029

Stock Levels
5683 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    6.5 mm
Finishing Washer 8.7 mm 22.2 mm 9.5 mm 5/16 Nylon

16CW312375

Price Range
£ 0.0511 - £ 0.0414

Stock Levels
1402 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    8.7 mm