special fasteners, non-standard bolt, biggerst can be M65. The longest can be 1.5 meters. material 8.8, 10.9,12.9 grade

special fasteners, non-standard bolt, biggerst can be M70.12.9 grade.

galvanized to be silver color, yellow cover,

Or black color.

Normal used for big machine like crusher or other havy duty area.

special big bolts M40