The TIMco Hex No.3 Self-Drill Screws with a silver finish. Designed specifically for joining roofing sheets to light section steel up to a maximum thickness of 5.0mm, eliminating the need for pre-drilling. These screws are equipped to handle your toughest roofing projects with ease and precision, ensuring a secure and durable fit. <P><P> The come with exterior plating that offers outstanding corrosion resistance, enduring up to 1,000 hours of salt-spray exposure. This makes them perfect for urban and industrial areas with low salt atmospheres. Additionally, they feature a built-in fixed washer and an optimised socket size for enhanced efficiency and ease of installation. <p><p> <strong> Features & Benefits: </strong> <br> <ul> <li> Hex head self-drilling screws. <br></li> <li> Ideal for light section steel up to 5.0mm thick. <br></li> <li> Exterior plating for corrosion resistance (1,000 hours salt-spray). <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> Max drilling thickness: 5mm <br></li> <li> Corrosion rating: 3 (suitable for urban and industrial areas with low salt atmosphere) <br></li> <li> Point type: self-drilling <br></li> <li> Diameter: 5.5mm <br></li> <li> Length: 25mm <br></li> <li> Includes 16mm EPDM washers <br></li> <li> Bag of 140 screws. <br></li> </ul>

Brand Name	TIMco
Material	Steel
Manufacturer Model No	L25W16BB