... ,DIN/ANSI933 (2).Size:M5-M20;1/4"-5/8" (3).Material:carbon steel (4).Length:6-300mm ... DIN,ANSI(3).Size:M5-M20;1/4"-5/8"(4).Material:low carbon steel(5).Length:6- ... 300mm,3/4"-5"(6).Grade:4.8 6.8 8.8 (7).Finish:Plain,zinc,black,nickel,H.D ... .G,brass plating,silver plating(8).Certifications:ISO 9000/9001/9004/19011:2000(9). ... (11).Delivery lead time:45-60days DIN933-01 Hexagon Bolt