DIN933/931 Hex head bolt 1)TREATMENT: BLACK PHOSPHATED 2)PACKING TERM: 25KG CARTON,BULK,ACCORDING TO CUSTOMER We can supply all sizes of screws,bolts,nuts with standard of GB,ANSI,DIN,JIS.DIN933/931 HEX HEAD BOLT1)SIZE:M6-M242)MOQ:500KG3)Finish treatment: plain,black,YZP4)Bulk packing in carton DIN933/931 HEX HEAD Bolts,Nuts,8.8 grade,9.8 grade,10.9 grade