... material incoming to out shiping by IQC,IPQC, OQC, QA.4) supply special screws, nuts, bolts, rivets,studs,washers, ... material incoming to out shiping by IQC,IPQC, OQC, QA.4) supply special screws, nuts, bolts, rivets,studs,washers, ... as .060"/1.5mm.Thread size #2 to 1/4" and M2 to M6.1. Standards: ASTM B18.2 ... : plain, black, phosphate, zinc, hot dip galvanizing, dacromet, etc male-female standoff