Highway fence in the construction of the need to pay attention to a lot of details, such as the highway fence accessories,fence wire screws installed,there are many requirements, as follows Fence wire screws Installation method:

1. Screw spacing, depending on the thickness, for the appropriate configuration, spacing is too small and too large are not good. Such as the distance is too small, sometimes too tight and cause stress, resulting in damage; such as the distance is too large, but also make PC board fixed instability.

2. The size of the screw hole to take into account the PC board summer and winter and the night of the difference between the thermal expansion and contraction. In general, the screw diameter should be larger than the screw diameter of 2 ~ 4mm, to reserve the expansion of space 

3. Screw hole position from the PC endurance board too close, it is very easy to cause broken, in general, the screw hole Position from the edge of the PC board for the screw hole diameter of more than 2.5 times.

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