Basic Info.  Material:High Strength Steel Trademark:SD Type:Hexagon Head Head Style:Hexagonal Connection:Common Bolt Standard:DIN Class:5.8/6.8/8.8/10.9/12.9 Finish:Hot Galvanized Size:M12-M60 Commodity name:Hex Head Bolt DIN7990 Business type:Manufacturer, trading OEM:As The Drawing Advantages： -Competitive Price! -Well and High Quality Control! -Satisfactory Service! -OEM service available! -Customer’s Design and Logo are Welcome! If you have any questions,please contact to me.THANK YOU!