Set screw Full Thread Black Oxyde Alloy Steel 3/4-10 * 1-1/2" Grade 8 [Oval Point] [Allen Drive] thread_size_7-16-14 It is made of zinc

It is made of zinc plated and thus provide medium resistance to corrosion in both dry and wet environments

The screw has a length of 3-1/2" and a thread of 1-3/8-6

The rod has a length of 36" and a thread of 5/8-11

The screws have a thread of 1-1/8-7 and a length of 6

The nuts have a thread of 1/2-13 and a lenght of 1-1/4

Set screw Full Thread Black Oxyde Alloy Steel 3/4-10 * 1-1/2" Grade 8 [Oval Point] [Allen Drive] thread_size_7-16-14 It is made of zincMade from alloysteel, these set screws have a thin edge that digs into hard surfaces for a securehold. Length listed is the overalllength. Black oxide alloy steel set screws resist corrosion in dryenvironments.