Hex Nut Use and specifications
Hex nut or screw for easy to tighten or loosen with a wrench with a long handle, the wrench is the outer hexagonal, coincides with the bolt, this hexagon nut bolt can be used in the requirements of the body compact, generally used as a wrench out of reach.
Basic specifications of hexagon nuts;
(1) Hexagon nuts for hot dip galvanized bolts for pre-plating dimensions
(2) Due to technical reasons not preferred specifications
(3) Inner hex nut As far as possible do not use the brackets in the specification