PECM Issue 47 2020 | Page 63

Standard Rivets

Where structural strength is not required , standard rivets are a fast and simple way of joining all kinds of material .

Multigrip Rivets

The body of the rivet forms when the fastener is installed .
The mandrel head remains at the bottom of the rivet forcing the body to bulb . Because the rivet forms a larger bulb at the back (‘ blind ’) side , it is also suitable for softer materials . It has excellent hole filling capabilities and is also termed as anti vibration and weather proof .

Sealed Rivets

The head of the mandrel is retained inside of the rivet body and the deform is lateral . During installation the rivet body expands to fill the hole , enabling the rivet to withstand pressures up to 35 Bar ( 3500 kPa ). If used correctly it will be gas and water tight .

Triform Rivets

Grooved Rivets

Hammerdrive Rivets

Peel Rivets

The triform rivet is constructed in a special way ; during installation , the rivet body splits into 3 parts , preventing the material from being damaged . Ideal for assembling plastic and soft materials .
The grooved body enables the rivet to expand into the interior surfaces of the assembled pieces . They provide a strong connection into dense materials such as wood and plastics .
The mandrel passes through the body of the rivet as the pin is hammered in place . The body splits in o four pieces . Different material combinations , for example , wood , plastic , concrete , and metal etc . can be joined together .
The mandrel of peel rivet is constructed in such a way that it splits the end of the rivet body into four ‘ petals ’ which clamp the material and spread the load over a wide area . Is ideal for soft , thin and hollow core materials .

Rivet Head Styles

Domed Head rivet is the most common rivet type .
Large Flange reinforces the hole and allows assemblies of soft materials such as plastic and wood onto metal . It helps to spread the load .
Countersunk Head offers a perfect flush finish .
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Issue 47 PECM 63