Wedge Anchor Stud System of Measurement Metric Anchor Diameter 12 mm Thread Size M8 Overall Length 80 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 12 mm Minimum Installation Depth 70 mm Minimum Material Thickness 127 mm Ultimate Shear Strength (4 000 psi Concrete) 8 497 lb Ultimate Tension Strength (4 000 psi Concrete) 5 780 lb Nut Width 13 mm