Bolts

. When I replaced the adjusters with turnbuckles, I noticed elongated holes, I will see if one is still lying around and I can get a pic. The Johnson adjuster makes setup a lot easier, as does taping everything. Tim
The problem with bolts is that the threads are wearing on the chain plates, causing high point loads, and accelerated wear, also bolts aren't as strong as pins, the nylock inserts can wear and come loose, and you can get corrosion in the threads causing the nuts to seize. The p/o on my boat had bolts and nuts everywhere, when I replaced them, a bunch snapped, some were fingertight, and I suspect one failed on him during his last time out, which caused his wife to force him to sell the boatI replaced everything with 1/4" stainless bolts and elastic stop nuts. It just takes a pair of 7/16" wrenches and a few second to undo the front stay when dropping the mast. Better safe than sorry!