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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