Socket Cap Screws

Prime‑Line® socket cap screws deliver strong, precision fastening for projects that require high clamping force in compact or limited‑clearance spaces. Featuring a cylindrical head and internal hex (Allen) drive, these screws allow for greater torque control and a clean, low‑profile finish compared to traditional hex head fasteners. Ideal for metal‑to‑metal assemblies in machinery, tools, appliances, automotive repairs, fixtures, and specialized home projects, Prime‑Line socket cap screws are designed for use with same‑size matching nuts and washers or threaded holes to ensure proper fit and dependable performance. Manufactured from quality materials for strength, durability, and accurate threading, they install easily using standard hex keys or Allen wrenches. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line socket cap screws make it easy to achieve secure, professional‑grade fastening with confidence. Prime-Line Finish: Black, Size: 6.15" H x 3.9" W x 0.45" D