Threaded Sleeve Built In Connector and Screw Nut for 20 30 40 45Aluminum Profile The advantage of this connector is that the profile does not need to be tapped or punched, and the installation is firm. It is more suitable for profiles with arcs, such as 6630R or 8840.Suggestion:40 series can only be used for the European standard 40 series profiles with a wall thickness of 2.0 or more. If the wall is relatively thin, the external thread of the threaded sleeve cannot be locked and cannot be fixed.Material: galvanizedRecommended screws:For 20, it is recommended to use hexagon socket M4*30 screwsFor 30, it is recommended to use hexagon socket M5*35 screwsFor 40, it is recommended to use cylindrical head hexagon socket M6*40 screwsFor 45, it is recommended to use hexagon socket M6*40 screwsNOTE:Avoid that the screw head is too large to fit into the slot.
Package Include: 10 Sets x Lot