The 5.5x38mm Security 2-HOLES Cheese Head Tap Screw A2 from Qualfast is designed to provide robust and reliable fastening solutions for a variety of applications. Crafted with high-quality materials, these screws ensure durability and resistance to corrosion, making them ideal for both indoor and outdoor use. Their unique security design helps prevent tampering, offering peace of mind in securing components. This product range is perfect for professionals and DIY enthusiasts alike, delivering exceptional performance and reliability in every project. Features: dk (max.): 10.5 Material Technical: A2 Thread Size: 5.5 Length: 38 Head Shape: Pan Head k (max.): 3.3 Driving Features: Snake Eyes Material: Stainless Steel L: 38mm Thread: Self Tapping Thread No. Drive: TH7 Grade: A2 D: 5.5mm Applications: - Ideal for securing metal and plastic components in outdoor furniture assembly. - Suitable for use in electrical enclosures to ensure tamper-proof access.