2x TIMCO Metal Construction Heavy Section Screws Hex EPDM Washer Selfdrilling Zinc ZH80W16 Pack of 100

Used For Attaching Metal To Heavy Section Steel (Max. 12Mm) Without The Need To Pre-Drill A Hole. Note: Partially Threaded.See `More Information` below for sizing and Colour detailsSpecificationSocket Size (metric) = 8mmFinish = ZincPackaged Height = 53mmHead = HexPackaged Width = 179mmThread Diameter (metric) = 5.5mmPackaged Weight = 1.352kgPackaged Length = 195mmLength (metric) = 80mmEffective Thread Length (metric) = 53 *P/TMax Drilling Thickness (metric) = 12mmHeight = 5.5mmLength = 80mmMaterial = Case & Core Hardened Carbon SteelType of Point = Self-Drilling No.5Width = 5.5mmFixed Washer Diameter (metric) = 11mmPTDTIMZH80W16

General description Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole. These screws are partially threaded for enhanced performance. Technical specifications Size: 5.5 x 80 mm Material: Silver finish Type: Self-drilling Threading: Partially threaded