1.surface:ZP,PL,HDG,BL 2.class:4.8,6.8,8.8,B7 3.material:carbon steel 4.length:100-3000mm 5.threaded rod internal thread 1.standard:DIN975, DIN976, BSW,UNC are available2.surface:ZP,PL,BL,HDG etc.3.size:M3-M804.class:4.8,5.8,6.8,8.8,10.9,B7 etc.5.material: low carbon steel,medium carbon steel,high carbon steel etc.6.length:100-3000mm7.packing:bundle then palletized in general, of course according ...