The Flat Head Hex Socket Cap Screw is a threaded fastener with a low profile head that sits flush with the mounting surface. The Hex socket allows for installation and removal using a hex socket wrench, providing a strong grip that resists slipping. These screws are used in various locations throughout a machine, including the Secondary Fuel Filter, Suspension Seat, and Seat Accumulator.Attributes:• Has high strength and wear resistance• Provides a strong and secure driving interface for tighteningApplications: The Flat Head Hex Socket Cap Screw creates a clamping force to securely fasten components together, creating a tight seal or holding parts in a fixed position. The Hex head allows for tightening with a hex socket wrench.