... DIN933,DIN6914,ASTM A325M,ASTMA325, ASTM A-10,ASTM490M and other you would like to Grade4.8, ... 6.8,8.8,10.9,12.9 and others you needMaterial 45#, 40Cr, 35CrMoA ... , 42CrMoA, 25Cr2MoVA, 35VB, 40CrNiMo,Stainless steel and so onSizeM6-M42 LengthM16-300Type of headSquare,Hex,Flange ... ,Zinc plated,hot dip galvanized,Dacrotizing plated and your requirementOthersWe can make accroding to your ...