Wedge Anchor Stud, System of Measurement Metric, Anchor Diameter 18 mm, Thread Size M12, Overall Length 212 mm, Thread Length Not Applicable, Eyelet Hole Size Not Applicable, Material Steel, Material Grade/Class Class 8.8, Finish Zinc Plated, Compatible Material Concrete, Drill Bit Size 18 mm, Minimum Installation Depth 60 mm, Minimum Material Thickness 177 51/64 mm, Ultimate Shear Strength (4,000 psi Concrete) 18,849 lb, Ultimate Tension Strength (4,000 psi Concrete) 9,988 lb, Nut Width 19 mm