4x TIMCO Metal Construction Light Section Screws Hex EPDM Washer Selfdrilling Zinc ZL19W16 Pack of 100

Hex Head Self-Drilling Screws For Joining Roofing Sheets To Light Section Steel (Max. 5.0Mm) Without The Need To Pre-Drill A Hole.See `More Information` below for sizing and Colour detailsSpecificationFinish = ZincMaterial = Case & Core Hardened Carbon SteelPackaged Weight = 0.492kgHead = HexSocket Size (metric) = 8mmPackaged Width = 135mmLength (metric) = 20mmMax Drilling Thickness (metric) = 5mmThread Diameter (metric) = 5.5mmHeight = 5.5mmPackaged Length = 155mmWidth = 5.5mmEffective Thread Length (metric) = 4mmLength = 20mmType of Point = Self-Drilling No.3Packaged Height = 30mmFixed Washer Diameter (metric) = 11mmPTDTIMZL19W16

General description Hex head self-drilling screws designed for joining roofing sheets to light section steel (maximum thickness of 5.0mm) without the need for pre-drilling. These screws come with an EPDM washer to ensure a secure and watertight seal. Technical specifications Type: Self-drilling screws Head type: Hex head Size: 5.5 x 19 mm Maximum steel thickness: 5.0 mm