There is plenty of discussion on this topic both in our industry and other industries including building aircraft which use rivets over screws. In this case, it will be a connector failure before the steel fails However, if you use structural rivets for 0.95 mm thick steel, it is better than a TEK screwed connection. If you are using 0.95 mm steel, the TEK screw will give you higher capacity than the standard rivet connection.This is because it is the steel failure not the connector failure which comes into play here in these gauges. However, the riveted connection capacity is almost the same as screwed connection capacity for 0.55 and 0.75 mm thick steel. The standard rivet capacity itself is lower than TEK screw capacity.This is also important in the transport process where the frame is subject to vibration. 5056 Aluminum Alloy (B) A rivet that is identified by a raised cross on their heads, contains about 5 percent magnesium and has a maximum shear strength of 28,000 pounds per square inch. This is because the screw only has a head on one side whereas the rivet is supporting both sides. The main advantage for using this rivet is is its high strength and shock resistance characteristics. They are impossible to open and won’t shake loose. Compared to screws, rivets hold much better. 91 Products About Installing Blind Rivets More 18-8 Stainless Steel Domed Head High-Strength Blind Rivets Installed 18-8 stainless steel has good corrosion resistance and may be mildly magnetic.However, at the same time, if there is a requirement to modify the frame it is a lot easier if you are using a TEK screw because if you are using a rivet you need to drill it out. The position of the TEK screw will depend on the fabricator. The RF machine provides a hole punch for the rivet but doesn’t for the TEK screw. 2117 Aluminum Alloy (AD) A rivet which is the most widely used for manufacturing and maintenance of modern aircraft. It is restricted to nonstructural assemblies such as fairings, engine baffles, and furnishings. Because the Heavy-Duty Rivet Gun is larger than standard. Rivets are considered easier to use and more practical in the fabricating process than TEK screws. 1100 Aluminum (A) A rivet that has no identifying mark on its head which lacks sufficient strength for structural applications. Optional attachment kits are available to install blind rivets as well as blind nuts and blind bolts.As a high level summary, Thanuja Ranawaka, our inhouse engineer here at Scottsdale has put together the following points which we hope you find useful. We often get asked for the pros and cons of rivets vs TEK screws.
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