Set screw Full Thread Black Oxyde Alloy Steel 1-1/4-7 * 2-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Bulk [1000] 316 Stainless Steel is also

316 Stainless Steel is also recommended for it's high corrosion resistance in salty environement

They’re angled under the head to sit flush within countersunk holes

The screw has a length of 1-1/4" and a thread of 1-8

This hexagonal bolt has a length of 5 with a threading of 1-1/2-6 [Partially Threaded]

The rod measures 36" and has a 7/8-9 thread

Set screw Full Thread Black Oxyde Alloy Steel 1-1/4-7 * 2-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Bulk [1000] 316 Stainless Steel is alsoMade from alloysteel, these set screws have a thin edge that digs into hard surfaces for a securehold. Length listed is the overalllength. The screw has a length of 2 1 2" and a thread of 1 1 4 7.