SPECIFICATION ManufacturerPenn Engineering Manufacturers Part NumberFH-0420-12ZI DescriptionFH-0420-12ZI Flush-Head Threaded Stud Product TypeFH Thread Size1/4-20 Length0.75 in Material SpecificationHeat-Treated Carbon Steel Finish SpecificationZinc plated per ASTM B633, SC1 (5µm), Type III, Colorless Sheet Thickness0.062 in