2x TIMCO Metal Construction Light Section Screws Hex Selfdrilling Zinc 12134HWSD Pack of 500

General description Hex head self-drilling screws designed for efficiently joining roofing sheets to light section steel, with a maximum thickness of 5.0mm, eliminating the need for pre-drilling holes. Technical specifications Type: Self-drilling screws Head: Hex head Size: 12 x 1 3/4 inches Maximum steel thickness: 5.0 mm