Set screw Full Thread Black Oxyde Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Knurled Point] [Allen Drive] Quantity:50 but Yellow Zinc provide a

but Yellow Zinc provide a higher corrosion resistance than regular zinc

This hexagonal bolt has a length of 6-1/2 with a threading of 7/8-9 [Partially Threaded]

The screw has a length of 6-1/2 and a thread of 5/8-18

The screw has a length of 4" and a thread of 1-1/2-6

The rod has a length of 36 and a thread of 1-1/8-7

Set screw Full Thread Black Oxyde Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Knurled Point] [Allen Drive] Quantity:50 but Yellow Zinc provide aMade 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.