Stop in for a cup of coffee
like this one looks to be bent in the threaded section
On the other one, it is true that the tension occurs on the threads nearest the tip. That's why full threaded machine screws are not usually needed and just make the bolt weaker.
Was the break inside the threaded hole?
Is there big spacer or bracket?
Threads do not go right up to the cap so that is good design even though its full threaded.
The failure area looks like it may have necked down a little, and the final tear is in reverse direction.
Sumptin don't look right.
like this one looks to be bent in the threaded section
On the other one, it is true that the tension occurs on the threads nearest the tip. That's why full threaded machine screws are not usually needed and just make the bolt weaker.
Was the break inside the threaded hole?
Is there big spacer or bracket?
Threads do not go right up to the cap so that is good design even though its full threaded.
The failure area looks like it may have necked down a little, and the final tear is in reverse direction.