Bonded Washers can be used under the head of a bolt or nut to distribute the forces applied when tightening. They are also known as EVA Washers and are used with Tek screws and knock-in roof screws.
Bonded washers are the modern way to seal holes from water leaks. Available on outside diameter 19mm and 26mm.ß
The 19mm is normally used on corrugated sheeting and 26mm on IBR sheeting.
pack of 25