J.W. Winco 8LXF3/B DIN71802 Ball Joint, 13 mm Diameter, M8 x 1.25 Tapped Left Hand Thread, M8 x 1.25 Threaded Shank, 16.5 mm Thread Length with Safety Catch: Amazon.com: Industrial & Scientific
Amazon.com: MonsterBolts - M8 x 60mm Socket Head Screws, DIN 912, Alloy Steel, Black Oxide, Partial Thread, 50 Pack : Industrial & Scientific