Wkręt 500 x SD 19x5,5 mm z łbem płaskim

The screws feature a point that will self drill and thread without the need for pre-drilling. Depending on the gauge, thread pitch, thickness of material and application, these screws will drill through steel up to 4.0mm. The flat head screws provides the thinnest profile head available. They are designed for steel frame connection where space is a minimum, or where panelling is to be placed directly on top of the screw.