●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: M8; Total Length: 2.4 inches (60 mm); Thread Length: 0.8 inches (20 mm); Tensile Maximum Load (9.1 mm); Lower Hole Diameter: 0 mm). 1.4 inches (35 mm); Mounting. Product thickness: 0.6 inches (15 mm); Boxed steel; Surface treatment: Trivalent chromate finish