Hex Bolts (1).Standard:DIN931/933 ,ANSI,BSW,JIS. (2).Size:M5- ... :carbon steel (4).Length:6-300mm.. DetailsItem nameelectric power fitting-U boltsmaterialCarbon steel, stainless steel grade4.8/8.8/9.8 ... more,pls feel free to contact us. electric power fitting-U bolts