Hexagon socket screws are widely used where

Screws we should have seen, and we should also be aware that there are quite a variety of types, but whether we know what kinds of it, but there is one we should have seen, that is, hexagonal screws, hexagonal screws are rounded on the outside of the screw head, the middle is concave hexagon, and hexagonal screws are common screw head side into the hexagonal kind. 

The hexagonal screwdriver looks like "7", with hexagonal steel bar cut at both ends and then bent to 90 degrees into a hexagonal screw wrench, hardware tool stores have sold. Hexagonal screws are widely used, from small hardware, small electronic products, electrical products. Mechanical equipment products, large to cars, ships, aircraft cannons. In short, hexagonal screws are mainly used in electronics, electrical appliances, electrical power, chemical industry, water conservancy, mechanical equipment, furniture and other fields.