The TIMco Hex No.3 Self-Drill Screws are designed to make your roofing projects a breeze. These 5.5 x 70mm silver screws are perfect for joining roofing sheets to light section steel without the need for pre-drilling. Each bag contains 100 screws, ensuring you complete your tasks with ease. Built with durability in mind, these screws feature an exterior plating that offers exceptional corrosion resistance, withstanding up to 1,000 hours of salt spray testing. This impressive durability together with their self-drilling capabilities makes them ideal for use in urban and industrial areas. <p><p> <strong> Features & Benefits: </strong> <br> <ul> <li> Hex head self-drilling screws. <br></li> <li> Designed for joining roofing sheets to light section steel (Max. 5.0mm). <br></li> <li> No need to pre-drill a hole. <br></li> <li> Exterior plating for reliable and durable corrosion resistance. <br></li> <li> Resists 1,000 hours salt-spray (BS EN 9227). <br></li> <li> Fire Classification: A1. <br></li> <li> Recommended RPM: 1,000 - 1,800 <br></li> <li> Fixed Washer Diameter: 12mm <br></li> <li> Socket Size: 8mm <br></li> <li> Maximum Drilling Thickness: 5mm <br></li> <li> Corrosion Rating: 3 (Urban; industrial areas with a low salt atmosphere) <br></li> <li> Point Type: Self-Drilling <br></li> <li> Diameter: Ø5.5mm <br></li> <li> Length: 70mm <br></li> <li> Quantity: Bag of 100 <br></li> </ul>

Brand Name	TIMco
Material	Steel
Manufacturer Model No	L70BB