Ensure your projects are securely fastened with grade 8 fine thread hex cap bolts from Hard-To-Find Fastener. Manufactured from Grade 8 hardened steel for superior durability and high-torque applications, these large bolts feature a hex cap that allows for greater torque application than circular caps. The greater diameter of these steel hex bolts allows for stronger, more heavy-duty load bearing across the join. Designed with a fine thread for higher tensile strength, these hex head bolts are ideal for precision fastening in automotive, industrial, and heavy machinery projects.