M4.2 screw requires a 7 mm socket to fit. M4.8 and M5.5 screw requires a 8 mm socket to fit. RS PRO Hex Head Self-Drilling Screw. Introducing the RS PRO Hexagon Head Self-Drilling Screws, a pinnacle in fastening technology by the trusted RS PRO brand. Crafted from zinc-plated and passivated hardened steel, these self-drilling screws redefine efficiency in securing sheet metal up to 5mm thick. The distinctive flange head eliminates the need for a washer, ensuring seamless pressure distribution during application. Thanks to their versatility, these screws are suited to a wide range of applications and environments, making them the perfect addition to any DIY or professional tasks. Features and Benefits:. ;ul> ;li>These RS PRO Hex Head screws offer enhanced clamping pressure for secure and robust connections across a wide range of applications and environments ;/li> ;li>Engineered from zinc-plated steel, these screws offer exceptional corrosion protection making them ideal for indoor applications where durability is paramount ;/li> ;li>Thanks to the integrated flange head, the screw head effectively distributes load, adding stability to any fastening application ;/li> ;li>Compliant with DIN 7504 standard, these screws adhere to stringent quality and performance standards, ensuring optimum performance and quality ;/li> ;/ul>. Applications:. Hex head self-drilling screws are purposely designed with a hexagonal head that allows for easy tightening with a screwdriver, drill or ratchets. They are designed to create threads as the screw is driven into the material which eliminates the need for pre-drilling and makes it particularly useful for fastening metal sheets or plastic. Depending on the fastening requirement, these screws are versatile in that there are different variations of materials and sizes, and are often used in construction, woodworking, automotive projects, and much more. The self-tapping design really streamlines the fastening process, making these types of screws popular in a range of professional industries as well as for DIY enthusiasts and hobbyists. Why RS PRO?. RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers. More information:  | | Length Metric: | 25mm | Material: | Steel | Thread Size (mm): | 5.5mm | Thread Size (Metric): | M5.5 | Standards Met: | DIN 7504K | Drive Type: | Hex | Finish: | Bright Zinc Plated | Head Shape: | Hex Washer |
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