The System Ø 15 mm hitch screw is a piece made of Zamak alloy and anti-corrosion zinc plated finish for greater protection. It has a length measurement from the edge of the head to the tip of the screw of 7 mm. Installation requires a 15mm diameter drill. This part is used together with the System hitch plunger and bolt from the same collection. The board where this screw is installed must have a thickness of 16 - 18 mm. The packaging contains 1000 units of Ø 15 mm System coupling screws.