hiwe need Grade4.8/6.8/8.8/10.9/12.9 din933 din931 din934 black and zinc plated hex bolts and nutsStandard:DIN;JIS;ANSI;GB;BS;ISOMaterial:carbon steel;stainless steel;alloy steelSize:M1.6-M39Surface treatment:Plain;black;zinc-plating;HDGGrade:4.8/6.8/8.8/10.9/12.9; as requiredCertificate:ISO9001:2008Packing:Carton+Pallet am looking for 100mm by 8mm bolt and nut. Show More