... audited More than 20 years experience in special 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 ... exporting so that you could avoid lots of risks.P.S:For us,the most competitive industry is ...