Box of 5 - M39 x 3mm Fine Pitch Hexagon Full Nuts (ISO 8673) - Steel Gr.8 Black Hexagon Full Nuts are a standard fastener and the most commonly used nut in attaching bolts and screws. Full Nuts are extremely versatile and may be used in a broad range of fixtures and fittings. These Full Nuts are made from Gr.8 High Tensile Steel and have a black self colour finish. For larger quantities or custom lengths, please email and one of our team will provide you with a quotation. Box of 5 - M39 x 3mm Fine Pitch Hexagon Full Nuts (ISO 8673) - Steel Gr.8 Black