Stainess steel knurled pin Surface :Plain Machined and turned SGS audited More ... fastener 1,Name: Stainess steel knurled pin;Stainess steel pin;Knurled pin2,For the similar pin,what can we do ?(1), ... Ability for the material of this kind of pin: Grade3.6,4.6,4.8,5.6,6. ... 8,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D, ... ,especially the cutting/turning parts. Stainess steel knurled pin