... 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 rivet nut,what can we do ?( ... kind ofrivet nut: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12 ... hardware fastener ,especially the cutting/turning parts.; Steel Knurling rivet nut