Dorman 803-115 Black Hex Bolts are Grade 5 fasteners finished in black for a uniform appearance in assemblies that require Grade 5 hardware. The product details specify a size listed as 1 2" x 5 16-18 x 1-1 2" and the fasteners are identified by the Dorman part number 803-115. This hex bolt delivers reliable clamping in mechanical or automotive contexts that call for Grade 5 hardware with a black finish. The Grade 5 designation denotes the standard strength level for general purpose high‑strength fastening. Verify that the thread pitch and length meet your installation requirements and use compatible hardware for correct fit.
