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FBRFB55F Quarter Turn Fastener Countersunk Steel Allen Head Button 0.550 Length For #6 Spring - SOLD AS 1 X 10 PACK
FBRFB55F Quarter Turn Fastener Countersunk Steel Allen Head Button 0.550 Length For #6 Spring - SOLD AS 1 X 10 PACK
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SOLD AS 1 X 10 PACK
The manufacturer says this button has a 7/16" shank. The actual shank diameter of this button is 0.406"
3/8" = 0.375"
This button = 0.406"
7/16" = 0.4375"
For mounting sheet metal and fiberglass, quarter turn panel fasteners are the most practical fasteners requiring only one tool. Panel fasteners have been used in off-road racing for years due to their lightweight and durable design. Available in a variety of sizes to fit your specific needs.
Originally quarter turn fasteners came from the Military Aircraft industry. When they say #5 they are referring to the diameter of the button which is 5/16. Or if they say #6 they are referring to the diameter of the button which is 3/8. The length of the button is measured from the panel surface down to the bottom edge of the spring seat. Below is a picture.
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Low stock: 10 left
View full details![FBRFB55F Quarter Turn Fastener Countersunk Steel Allen Head Button 0.550 Length For #6 Spring - SOLD AS 1 X 10 PACK](http://racereadygear.com.au/cdn/shop/files/AllenDzus_1_270x202_66970f06-52e7-4157-a8c3-f1bc976df49e.jpg?v=1694412431&width=1445)
![FBRFB55F Quarter Turn Fastener Countersunk Steel Allen Head Button 0.550 Length For #6 Spring - SOLD AS 1 X 10 PACK](http://racereadygear.com.au/cdn/shop/files/how-to-measure-quarter-turn-fastern-length_c6429270-f082-4ea9-adf9-7c289c029e18.jpg?v=1694412431&width=1445)