STANDARD: DIN, ANSI, JIS AND UNF GRADE:4.8 8.8 10.9 12.9 SIZE:M5-M30 FINISH:ZP,PLAIN,BLACK PACKING:AT BUYER'S OPTION DIN933 HEXAGON BOLT(SCREW)STANDARD: DIN, ANSI, JIS AND UNFGRADE:4.8 8.8 10.9 12.9SIZE:M5-M30FINISH:ZP,PLAIN,BLACKPACKING:AT BUYER'S OPTION