For connecting and joining metal cladding, for riveting or screwing. Application note: According to DIN EN 62305-3 Bbl. 1, for material thicknesses = 0.5 mm, four 5 mm rivets or for material thicknesses = 2 mm, two 6.3 mm self-tapping screws made of stainless steel (on both sides) are to be used for the connection.