Hexagon nuts and screws, bolts, screws with the use of the connection fastening parts. Ordinary hex – is widely used, the characteristic is fastening force is bigger, the disadvantage is that when installation should have enough space, can use when installation live wrench, wrench, open end wrench or glasses all wrench above takes a lot of operating space through the inside of the thread, the same specification nuts and bolts to connect together
view
detail