Easy to install just by pushing the pin to ensure a secure installation. Just look at the pin to ensure that the driving is complete. For construction, electricity, hygiene, heating and cooling work, sign and chair mounting, machine installation work, etc. Screw Nominal: M20; Total Length: 5.9 inches (150 mm); Thread Length: 2.0 inches (50 mm); Hole Diameter: 0.8 inches (21.5 mm); Tensile Maximum Load: 2.1 inches (54.5 mm); Embedded Depth: 3.1 inches (80 mm); Maximum Mounting Thickness: 1.8 inches (450 mm) x 5 inches (450 mm) x 50 x 50 x 45 x 45 inches (450 x 450 mm x 45 mm x 45 mm x 45 mm) Depth: 3.1 inches (80 mm) Tightening torque: 45 Nm (45 Nm) Steel; Surface treatment: Trivalent chromate finish; Country of origin: China; This product is ordered by lot Purchase unit: 10 pieces