What size bolts are typically used for cable tray supports

M6 x 16mm bolts with serrated flange nuts are commonly used for cable tray fixing.For standard cable tray installations, M6 bolts (6mm thread diameter) with a length of 16mm are widely recommended . T...

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What size bolts are typically used for cable tray supports

M6 x 16mm bolts with serrated flange nuts are commonly used for cable tray fixing.For standard cable tray installations, M6 bolts (6mm thread diameter) with a length of 16mm are widely recommended . These bolts are typically paired with serrated flange nuts, which provide a vibration-resistant and secure hold without the need for additional washers .Key FeaturesThread Diameter: 6mm (M6)Length: 16mm, suitable for most tray thicknesses and support brackets Head Type: Truss or combo heads (Pozi/Phillips) for easy installation Material: Mild steel, often zinc-plated or hot-dipped galvanised for corrosion resistance Nut Type: Serrated flange nuts that lock securely to prevent loosening under vibration Usage NotesThese bolts are suitable for internal and external applications, including ladder systems and support frameworks .For heavier or specialized cable trays, longer bolts or different thread sizes may be required, but M6 x 16mm is the standard for most installations .Ensure the bolt length accommodates the combined thickness of the tray and any supporting brackets to achieve a secure fastening. Using M6 x 16mm bolts with serrated flange nuts ensures a reliable, quick, and durable fixing for cable trays in electrical, mechanical, and construction applications .
Size Bolts Typically Used

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