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

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.