Back Home / Fasteners / Socket Products / FLAT HEAD SOCKET CAPSCREW UNC PLAIN 3/4″-10 X 3-1/2″ FLAT HEAD SOCKET CAPSCREW UNC PLAIN 3/4″-10 X 3-1/2″ SKU: X3410X312FHC Categories: Fasteners, Socket Products Made from alloy steel. Similar in design to socket head cap screws, but with a countersunk flat head. Used when a flush mounting, where a high strength screw is required. Plain black finish. Diameter: 3/4-10″ Length: 3-1/2″ Case Quantity: 25 Log In For Pricing