Hex Cap Screw 7/8-9 x 2-1/4 Zinc Grade 2

Grade 2 zinc-plated steel hex cap screw, 7/8"-9 UNC x 2-1/4" length. Manufactured to ASME B18.2.1 with full hex-head wrenching and zinc plating per ASTM F1941 for general-purpose corrosion resistance. ASTM A307 / SAE J429 Grade 2 mechanical specification.
Common in machinery assembly, structural framing, and HVAC/plumbing equipment mounting where moderate strength fastening is required.