Flathead screw heads have a single straight slot on the top of your screw, demanding a flathead screwdriver. They can be on the list of oldest and most popular screw head types. Flathead screws are typically Utilized in apps the place the screw head must sit flush Along with the surface area. Camcar Textron developed this screw in 1967, where by i

given that they read more involve an Allen wrench for set up and removal, most interior hex screw heads come with a fitting Allen wrench. The TA is often a form of screw travel that makes use of a triangle-shaped recess within the screw head. This drive can prohibit usage of the system internals but can readily be driven with hex keys. These screw