The 3.5mm x 25mm Self Drilling Countersunk Screws Steel Self Tapping Screws for Metal Sheets Roofing Windows (Pack of 50), a high-quality fastening solution for various metal roofing and window applications.

These fully threaded self-drilling screws are designed for use in metal sheets, roofing, and windows, and feature a unique self-tapping technology that allows them to drill a thread into the metal as they are screwed in. This eliminates the need for pre-drilling holes, making the installation process quicker and more efficient.

Made from high-strength steel, these screws are corrosion-resistant and coated with a durable zinc finish to provide superior rust protection. The fully threaded design ensures a strong and secure hold, while the countersunk head allows for a flush finish once the screw is in place.

The screws come in a pack of 50 and meet the ISO 15482 standard for self-tapping screws. They are ideal for use in a variety of applications, including roofing, cladding, and window installation. With their high-quality construction and convenient design, these screws are an essential tool for any metalworking or construction professional.

Order now and experience the ease and convenience of using high-quality self-drilling screws for all your metal fastening needs.