For standard length track rails, as delivered from the manufacturer, the centre of the last mounting hole at each end of the track rail is located at 48mm (1 29/32″) from the end, and the distance between fasteners across a track join will be 96mm (3 25/32″). The distance between the two fasteners at the end of each track rail, whether across a join or at an end, must never exceed 100mm (3 15/16″).
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