Set screw Full Thread Black Oxyde Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Knurled Point] [Allen Drive] Quantity:50 Coarse threads are the industry

Coarse threads are the industry standard: choose these screws if you don’t know the pitch or threads per inch

The screws have a thread of 1-3/4-5 and a length of 9

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

they resist loosening from counterclockwise motion

Set screw Full Thread Black Oxyde Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Knurled Point] [Allen Drive] Quantity:50 Coarse threads are the industryMade 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.