... square nut, Process:Machined and turned SGS audited More than 20 years experience in special fastener field 1,Name: Steel embossing square ... nut;Steel square nut;Embossing square nut Embossing2,For the similar square nut ,what can we ... .6,6.8,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr ... fastener ,especially the cutting/turning parts. Steel embossing square nut