That looks good.
I'm definitely not a fan of these, but they serve a purpose - for lower speed applications like yours it should be just fine. I can't tell from pics, but suspect they are using SS bolt/nut to affix? I just wish there were a way to reduce the amount of protrusion by the bolt and nut - if it had a flat head countersunk bolt and a swedged nut that the extra threads could be cut off, that would make it much better, but yours look pretty good.
I'm definitely not a fan of these, but they serve a purpose
Yes, that is a sex bolt.https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=sex%20bolts