cruiserdan said:WOW R2!
Ya lost me right after tensile...............
You mean a bolt is not a bolt?..................
I thought tensiles was what you had removed when you were a kid....
Oh, wait......You work on airplanes..........That explains your fastener fetish...![]()
Hehe... no I work on buildings. Raven's the airplane man, I just fly-em.
Wasn't trying to show off there, or come off like I know everthing there is to know about fasteners, but I didn't want anybody to be mislead by the values listed in Wileetoyote's link. Proof load, yield strength, & minimum tensile are the basis for design strength, but as mentioned in the early thread, these are not the design loads. In design, you have to factor these "ultimate" (failure) loads down to obtain the appropriate working load. As you can see, there is a pretty substantial safty factor involved, and that is typically the approach when dealing with fasteners because when they fail..., thinks go boom. Not like a beam per-say, when if you over load it, you're going to get significant deflection, and typically will know that something's not right, but if the bolts on the end fail, you're going for a ride.

Rookie2
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