U-Bolt M10 x 100 mm Thread, 123 mm Inside Diam, 202 mm Inside Height Galvanised Nuts not included with this item Graphskill standard U-Bolt Galvanised - A duller finish than BZP, typically 50 microns thick covering of Zinc and therefore provides much more protection suitable for many out door applications All Measurements in mm Inside Diameter : 123 Inside Height : 202 Leg Centers : 133 Leg Length : 141 Material : Galvanised Pipe Nominal Bore : Suggested Pipe OD : 121 Thread length : 100 Thread Size : M10 Our manufacturing tolerances are + / - 1 mm) We use roll threading so the diameter of the bar is usually less than the thread size. Please ask if unsure If using your own nuts on galvanised products please ensure they are tapped oversize to allow for the galvanised layer