Aluminium turning parts, Non-standard, custom,Hex bolts 1.Material:Steel 2.Finish: Brushed 3.Factory Alumium Turning parts, Non-standard, Custom,Hex bolts 1.Capacity of factory2.Production Process3.Photoes of bolts4. Catalogues 4.How to release orders Aluminium turning parts, Non-standard, custom,Hex bolts