5.5x38mm SHEET TO THICK STEEL SELFDRILL NYLON BROWN COLOUR HEAD C/W SEAL WASH
These Brown (RAL3009 Tundra) Coloured Self Drilling screws have a moulded nylon head and are designed for fixing sheeting panels to heavy steel 3.5 - 10mm think. They have a 16mm galv bonded sealing washer under the head.