Screw Insulators

A screw insulator can also be known as a shoulder washer.

The screw insulator is designed to insulate screws, rivets or wire from an assembly.

Features and Benefits of a screw insulator

• Thermally insulate a screw from making metal to metal contact
• Reduce Vibration
• Act as Spacers and Guides
• Are Strong and Corrosion Resistant
• Can be Used as Seal in Some Applications

Why and when to use a screw insulator?

Screw insulators can be inserted into a housing to provide a bearing surface for rotary applications.
The flange on the screw insulator is used to locate the bushing when it is installed or to provide a thrust bearing surface.
Screw Insulators are used to prevent heat flow through the screw to other parts of the thermal assembly.

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Description Price For Screw Size Inside Diameter Body Outside Diameter Body Length Flange Diameter Flange Thickness Material
RS Stock No. 178-636
BrandRS PRO
PHP214.00
1 Bag of 50
Bag(s)
M2 2.1mm 3mm 3mm 4.2mm 1 mm Nylon
RS Stock No. 178-894
BrandRS PRO
PHP234.00
1 Bag of 50
Bag(s)
M8 8.1mm 10mm 12mm 14.2mm 2.5 mm Nylon
RS Stock No. 203-1258
Mfr. Part No.CAJ010GFP
BrandSilfox
PHP21.385
Each (In a Pack of 100)
units
- 2.8mm 3.6mm 2.5mm 6mm - PET
RS Stock No. 178-686
BrandRS PRO
PHP191.20
1 Bag of 50
Bag(s)
M3 3.1mm 4mm 5mm 6.2mm 1 mm Nylon
RS Stock No. 178-658
BrandRS PRO
PHP232.68
1 Bag of 50
Bag(s)
M3 3.1mm 4mm 2mm 6.2mm 1 mm Nylon
RS Stock No. 178-771
BrandRS PRO
PHP233.46
1 Bag of 50
Bag(s)
M5 5.1mm 7mm 3mm 10.2mm 2 mm Nylon
RS Stock No. 178-765
BrandRS PRO
PHP225.67
1 Bag of 50
Bag(s)
M4 4.1mm 6mm 9mm 8.2mm 1.5 mm Nylon
RS Stock No. 178-715
BrandRS PRO
PHP237.35
1 Bag of 50
Bag(s)
M3 3.1mm 4mm 8mm 6.2mm 1 mm Nylon
RS Stock No. 178-692
BrandRS PRO
PHP189.40
1 Bag of 50
Bag(s)
M3 3.1mm 4mm 6mm 6.2mm 1 mm Nylon
RS Stock No. 203-1286
Mfr. Part No.CAJ001N
BrandSilfox
PHP59.866
Each (In a Pack of 100)
units
- 6.4mm 7.9mm 2.3mm 12.6mm - Nylon
RS Stock No. 178-822
BrandRS PRO
PHP217.90
1 Bag of 50
Bag(s)
M6 6.1mm 8mm 4mm 12.2mm 2 mm Nylon
RS Stock No. 178-759
BrandRS PRO
PHP218.86
1 Bag of 50
Bag(s)
M4 4.1mm 6mm 7mm 8.2mm 1.5 mm Nylon
RS Stock No. 178-838
BrandRS PRO
PHP264.58
1 Bag of 50
Bag(s)
M6 6.1mm 8mm 6mm 12.2mm 2 mm Nylon
RS Stock No. 178-664
BrandRS PRO
PHP186.60
1 Bag of 50
Bag(s)
M3 3.1mm 4mm 3mm 6.2mm 1 mm Nylon
RS Stock No. 178-721
BrandRS PRO
PHP219.45
1 Bag of 50
Bag(s)
M4 4.1mm 6mm 3mm 8.2mm 1.5 mm Nylon
RS Stock No. 178-800
BrandRS PRO
PHP215.20
1 Bag of 50
Bag(s)
M5 5.1mm 7mm 7mm 10.2mm 2 mm Nylon
RS Stock No. 178-737
BrandRS PRO
PHP215.60
1 Bag of 50
Bag(s)
M4 4.1mm 6mm 4mm 8.2mm 1.5 mm Nylon
RS Stock No. 203-1270
Mfr. Part No.CAJ003N
BrandSilfox
PHP21.385
Each (In a Pack of 100)
units
- 2.8mm 3.6mm 2.5mm 6mm - Nylon
RS Stock No. 178-816
BrandRS PRO
PHP212.90
1 Bag of 50
Bag(s)
M5 5.1mm 7mm 9mm 10.2mm 2 mm Nylon
RS Stock No. 178-844
BrandRS PRO
PHP310.50
1 Bag of 50
Bag(s)
M6 6.1mm 8mm 8mm 12.2mm 2 mm Nylon
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Although primarily intended for the isolation of metal ...
Description:
Although primarily intended for the isolation of metal screws, these insulating spacers are also suitable for use as lightly loaded bearings.
Set of insulating bushes for insulation between the ...
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Set of insulating bushes for insulation between the component and the heatsink.Available in polyester (version D); nylon (version N) or fibreglass reinforced polyester (GFP version).
Set of insulating bushes for insulation between the ...
Description:
Set of insulating bushes for insulation between the component and the heatsink.Available in polyester (version D); nylon (version N) or fibreglass reinforced polyester (GFP version).