screw and nuts 1.Carbon steel, SS steel, Aluminium,Brass,etc 2.Standard:DIN,ANSI,ISO,etc 3.get latest price screw and nuts 1.Carbon steel, SS steel, Aluminium,Brass,etc2.standard:BS,NAIS,DIN,JIS,GBstandard3.all sizes, depend on customers' request 4).Certificate : ISO 9001:2008 Factory audited by third party Intertek 5). MOQ: no limit for trial order 6). Sample delivery : Customer should pay for ...