●This product is ordered by the lot. Purchase Unit: 50 pcs. Easy to operate just by pushing the pin to ensure complete installation; Just look at the pin and you can see the complete hitting performance; For architecture, electricity, hygiene, heating and cooling work, signs, chair mounting, machine installation work, etc.; Screw Nom: M10; Total Length: 4.7 inches (120 mm); Thread Length: 1.5 mm Tensile Maximum Load (30.0.0.5 mm) Embedded Depth: 40 Tightening Torque: 2.5 ft (65 Nm) Mounting Thickness: 2.5 inches (64 mm) Total Length x Screw Length x Maximum Usable Thickness: 4.7 x 1.2 inches (120 x 30 x 65 mm) Embedded Depth: 1.6 inches (40 mm) Steel Surface Treatment: Trivalent chromate finish