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Insulating Cup Washers

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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
Essentra Part Number Price range Availability Height Bore Diameter Inside Diameter Outside Diameter Bore Depth View
10216897 £ 0.0334 - £ 0.0412 Request the lead time here
4.0 mm
9.5 mm
5.1 mm
14.4 mm
3.2 mm
£ 0.025 - £ 0.0309 10937 In stock
4.0 mm
6.2 mm
2.9 mm
7.8 mm
3.0 mm
£ 0.0588 - £ 0.0726 Request the lead time here
4.3 mm
9.0 mm
4.3 mm
10.5 mm
3.3 mm
£ 0.0319 - £ 0.0394 8538 In stock
5.2 mm
9.0 mm
4.3 mm
10.5 mm
4.2 mm
£ 0.0213 - £ 0.0263 Request the lead time here
4.3 mm
10.2 mm
8.1 mm
12.7 mm
3.1 mm
10216934 £ 0.238 - £ 0.2939 Request the lead time here
5.0 mm
12.7 mm
6.6 mm
25.4 mm
3.8 mm
£ 0.0263 - £ 0.0324 Request the lead time here
4.6 mm
7.6 mm
3.6 mm
9.1 mm
3.6 mm
10216903 £ 0.0331 - £ 0.0409 12931 In stock
5.9 mm
10.4 mm
4.9 mm
11.9 mm
4.8 mm
10216965 £ 0.063 - £ 0.0778 442 In stock
12.7 mm
15.9 mm
8.7 mm
22.2 mm
9.6 mm
£ 0.0199 - £ 0.0245 Request the lead time here
3.5 mm
9.9 mm
4.8 mm
12.6 mm
2.4 mm
£ 0.0195 - £ 0.0241 Request the lead time here
5.5 mm
7.1 mm
4.4 mm
8.7 mm
4.6 mm
£ 0.0598 - £ 0.0739 Request the lead time here
20.0 mm
11.8 mm
6.6 mm
13.5 mm
16.5 mm
10216972 £ 0.0805 - £ 0.0994 10490 In stock
5.7 mm
19.1 mm
9.7 mm
25.4 mm
3.2 mm
£ 0.0193 - £ 0.0239 40000 In stock
6.5 mm
6.2 mm
2.9 mm
7.7 mm
5.5 mm
10216958 £ 0.0741 - £ 0.0915 Request the lead time here
9.5 mm
15.9 mm
8.7 mm
22.2 mm
6.4 mm
10216989 £ 0.1907 - £ 0.2355 500 In stock
13.5 mm
20.0 mm
11.1 mm
27.8 mm
5.0 mm
£ 0.03 - £ 0.0371 Request the lead time here
7.3 mm
13.6 mm
6.5 mm
15.1 mm
6.3 mm
Finishing Washer 5.1 mm 14.4 mm 4.0 mm #10 Nylon 6/6 UL94 V-2

10216897

Price Range
£ 0.0412 - £ 0.0334

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    5.1 mm
Finishing Washer 2.9 mm 7.8 mm 4.0 mm #4 Nylon 6/6 UL94 V-2

10216828

Price Range
£ 0.0309 - £ 0.025

Stock Levels
10937 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 6/6 UL94 V-2

10216866

Price Range
£ 0.0726 - £ 0.0588

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.3 mm
Finishing Washer 4.3 mm 10.5 mm 5.2 mm #8 Nylon 6/6 UL94 V-2

10216859

Price Range
£ 0.0394 - £ 0.0319

Stock Levels
8538 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.3 mm
Finishing Washer 8.1 mm 12.7 mm 4.3 mm 5/16 in Nylon 6/6 UL94 V-2

10216941

Price Range
£ 0.0263 - £ 0.0213

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    8.1 mm
Finishing Washer 6.6 mm 25.4 mm 5.0 mm 1/4 in Nylon 6/6 UL94 V-2

10216934

Price Range
£ 0.2939 - £ 0.238

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    6.6 mm
Finishing Washer 3.6 mm 9.1 mm 4.6 mm #6 Nylon 6/6 UL94 V-2

10216842

Price Range
£ 0.0324 - £ 0.0263

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    3.6 mm
Finishing Washer 4.9 mm 11.9 mm 5.9 mm #10 Nylon 6/6 UL94 V-2

10216903

Price Range
£ 0.0409 - £ 0.0331

Stock Levels
12931 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 in Nylon 6/6 UL94 V-2

10216965

Price Range
£ 0.0778 - £ 0.063

Stock Levels
442 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    8.7 mm
Finishing Washer 4.8 mm 12.6 mm 3.5 mm #8 Nylon 6/6 UL94 V-2

10216873

Price Range
£ 0.0245 - £ 0.0199

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.8 mm
Finishing Washer 4.4 mm 8.7 mm 5.5 mm #8 Nylon 6/6 UL94 V-2

10216880

Price Range
£ 0.0241 - £ 0.0195

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    4.4 mm
Finishing Washer 6.6 mm 13.5 mm 20.0 mm 1/4 in Nylon 6/6 UL94 V-2

10216927

Price Range
£ 0.0739 - £ 0.0598

Stock Levels
Request the lead time here
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 in Nylon 6/6 UL94 V-2

10216972

Price Range
£ 0.0994 - £ 0.0805

Stock Levels
10490 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    9.7 mm
Finishing Washer 2.9 mm 7.7 mm 6.5 mm #4 Nylon 6/6 UL94 V-2

10216835

Price Range
£ 0.0239 - £ 0.0193

Stock Levels
40000 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    2.9 mm
Finishing Washer 8.7 mm 22.2 mm 9.5 mm 5/16 in Nylon 6/6 UL94 V-2

10216958

Price Range
£ 0.0915 - £ 0.0741

Stock Levels
Request the lead time here
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 in Nylon 6/6 UL94 V-2

10216989

Price Range
£ 0.2355 - £ 0.1907

Stock Levels
500 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    11.1 mm
Finishing Washer 6.5 mm 15.1 mm 7.3 mm 1/4 in Nylon 6/6 UL94 V-2

10216910

Price Range
£ 0.0371 - £ 0.03

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Polyamide 6/6
  • Washer Shape
    Round
  • Washer Type
    Cup Washer
  • Inside Diameter
    6.5 mm