... Knurling rivet nut Surface :Plain Machined and turned SGS audited More than 20 years experience in special fastener 1,Name: Steel Knurling ... rivet nut;Knurling rivet nut;Steel rivet nut2,For the similar ... .8,5.6,6.8,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D, ... fastener ,especially the cutting/turning parts.; Steel Knurling rivet nut