The 5-Second Trick For types of screw heads
Flathead screw heads have one straight slot on the top on the screw, requiring a flathead screwdriver. They are one of many oldest and most common screw head types. Flathead screws are typically Utilized in applications wherever the screw head must sit flush Together with the surface area. Camcar Textron formulated this screw in 1967, where Additi