Self Drilling Screws for Heavy Section Steel Size: 5.5 x 80mm Washer 16mm H80W16B Pack of: 100

Used For Attaching Metal To Heavy Section Steel (Max. 12Mm) Without The Need To Pre-Drill A Hole. Note: Partially Threaded. Exterior Plating Gives A Reliable And Durable Corrosion Resistant Coating Which Resists 500 Hours Salt-SpraySee `More Information` below for sizing and Colour detailsSpecificationSocket Size (metric) = 8mmPackaged Width = 92mmPackaged Height = 92mmHead = HexMax Drilling Thickness (metric) = 12mmFinish = Exterior (Silver Organic)Thread Diameter (metric) = 5.5mmPackaged Weight = 1.34kgHeight = 5.5mmLength (metric) = 81mmEffective Thread Length (metric) = 53 *P/TLength = 81mmPackaged Length = 184mmMaterial = Case & Core Hardened Carbon SteelType of Point = Self-Drilling No.5Width = 5.5mmFixed Washer Diameter (metric) = 12mmPTDTIMH80W16B

General description Timco's heavy section self-drilling screws are specifically designed for use with heavy section 12mm steel. These screws feature a hex head and a self-drilling tip, making them ideal for attaching metal to heavy section steel without the need for pre-drilling. Technical specifications Size: 5.5 x 80mm Washer size: 16mm Quantity: 100 screws Thread type: Fine self-tapping metric thread Max steel thickness: 12mm Coating: Silver Ruspert Salt spray resistance: Over 1000 hours Threading: Partially threaded Usage These screws are used for securely attaching metal to heavy section steel, providing a strong and reliable connection without the need for pre-drilling.