Hexagonal Nut Nylon Insert Fine Thread Yellow Zinc Plated 1-3/8-12 Grade 8 length_13 Grade 100 links are approximately

Grade 100 links are approximately 20% stronger than Grade 80 links when used with chain of the same grade

The crosses have a thread of 1/2-14 and a pressure of 150 psi

The screws have a thread of 1-8 and a length of 4-3/4

304 stainless steel fittings have very good corrosion resistance

Hexagonal Nut Nylon Insert Fine Thread Yellow Zinc Plated 1-3/8-12 Grade 8 length_13 Grade 100 links are approximatelyA nyloninsert grips the bolt to resist loosening without damaging threads. These nuts are reusable, but their holding power lessens with each use. Made from Grade 8 steel, they'reabout 25%stronger than medium strength steel locknuts. The nuts are colored yellow. White Nylon locknuts resist corrosion in wet environments.