Listing ID #4063736
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Contact SupplierIt is a bolt in the shape of the letter U with threading for screw on both the ends.
U-bolts have been used basically to support pipework, pipes through which fluids and gasses pass. As such, U-bolts were measured using pipe-work engineering speak. It described by the size of pipe it was supporting. They are also used to hold ropes together.
The nominal bore of a pipe is actually a measurement of the inside diameter of the pipe. Engineers are interested in this because they design a pipe by the amount of fluid/gas it can transport.
As U-bolts are now being used by a much wider audience to clamp any kind of tubing / round bar, then a more convenient measurement system needs to be used.
Four elements uniquely define any U-bolt: