Is it possible to buy high tensile steel rod say 25mm by 250mm and turn most of it down in a lathe to say, 12mm and then thread each end without it loosing tensile strength? What tool is required in the lathe and die to cut thread? Or can I heat mild steel and make it strong enough after the work? These bolts will hold the cylinder block to cranckcase as well as hold the main bearing caps on an old old tractor engine. The compression is really low and the RPM also low. Thanks in advance.


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