(20) Bulloni flangia testa esagonale grado 8 1/2-13 x 4-1/2" vite a tappo

Lot of (20) indented hex head flange bolts. These grade 8 black finish fasteners are 1/2-13 thread and are 4-1/2" in length with a 1-1/4" thread and 3/4" hex.

eBay