Cylindrical head socket screws, also referred to as socket head bolts, cup head screws, and socket head screws. Although they have different names, but have the same meaning. There are also 4.8, 8.8, 10.9, and 12.9 commonly used hexagon socket head screws. It is also called a hexagon socket screw and hexagon socket bolt. Its head is hexagonal and cylindrical.
1. Classification of hexagon...
English
Arabic
French
Spanish
Portuguese
Deutsch
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek