Expanding rivet, for quick fastening of the wiring ducts, halogen-free. for wiring ducts in accordance with DIN EN 50085-2-3: VKD... for wiring ducts: SVK... Dimensions (approx. dimensions) Rivet head Ø: 10 mm Rivet head height: 2 mm Rivet length without head: 12 mm Bore Ø: 6.2 mm Rivet thickness D: 5 - 6 mm Material: Polyamide (PA) Color: black