مسامير عربة 3/8-16 × 6-1/2" | ستانلس ستيل 316 (25 / عبوة)

Installed these on a dock repair and the 316 stainless is holding up perfectly against the saltwater spray. The square neck really digs in and keeps them from spinning while I tighten the nut.

Finally got around to using these to replace some old rusted bolts on a dock project, and the 316 stainless is holding up perfectly in the saltwater. The square neck grabbed tight into the wood just like it should, no spinning at all during tightening.

The square neck on these carriage bolts really does grab into the wood and keep them from spinning while you tighten the nut, which saved me a ton of frustration. For a 25-pack of 316 stainless steel hardware this long, the price felt more than fair. I'm glad I finally found bolts that won't rust ou