Round-head screw
Standard: DIN 7380-2
Dimension: M 8 x 40
Material: Steel zinc plated
Strength class: 10.9
Drive: Hexagon socket
Also known as:
Truss-head screw, cup square bolt, Button head screw, Half round head screws, flathead screws, Round-head screw, Lense screws, round head screw with flange
(The article photos are examples and reflect the shape and color. Dimensions and material may different. The article description applies.)
Button head / Pan head screw ISO 7380 -1/-2 with hexagon socket
ISO 7380-1 with normal button head , ISO 7380-2 with button head with flange
Mit Regular thread. The pitch is therefore not stated explicitly.
Dimensions (
Drawing see above):
s = wrench size
k = height of head
dc = diameter of head (-2)
dk = diameter of head (-1)
