Roll-Fast is the leading supplier of Socket Head Cap screw to many industries. According to ISO 4762 or as per customer requirement. Socket cap screws are machine flanges with a cylindrical barrel shaped head containing a hexagonal hole. The head has a smaller diameter than most other machine screw heads, typically just 1.5 times the nominal thread diameter. The Flat head cap screws manufacturer have a large head and a cylindrical shaft with external threads. The head has a larger diameter than the threaded portion, this provides a positive mechanical stop when tightening the screw. Cap screws are tightened directly into a threaded or tapped hole, usually without a nut.
