Baoji Bolts Master Co.,Ltd, one of the leading China titanium heavy hex nuts manufacturers and suppliers, is waiting for you to wholesale its titanium heavy hex nuts.  titanium heavy Hex nuts made of ASTM B348,ASME SB348, ASTM F67,ASTM F136, AMS4928 bar Materials CP Titanium Grade1/Grade2, Titanium Alloy Grade5/Grade7/Grade12 β Alloy