Self-drilling Sheet Metal Screws - Squaredrive Cylindrical Head - 4.2 x 25mm N-SQ - Solid Thread - Zinc-plated (200 pieces)
Self-drilling Plate Screws with Squaredrive Cylinder Head, 4.2 x 25mm N-SQ, have a full thread and a galvanised finish. They come in a pack of 200. Designed for metal-to-metal applications, these self-drilling screws provide a secure fixing without pre-drilling. The squaredrive head offers better force transfer, reduces slipping and ensures efficient use. Ideal for professional and DIY projects requiring durable and reliable fastening solutions.
