- Premium Quality Material : Our self-tapping torque screws are crafted from high-quality steel, ensuring they are shockproof, durable, and wear-resistant. Designed to resist deformation and breakage, they offer a long service life with exceptional durability and corrosion resistance. Ideal for 5 mm holes. - Economical Set : This 20-piece set of self-tapping screws is perfect for everyday use and replacements. Quick and easy to install, it minimizes downtime and labor costs. Purchase the quantity you need without the hassle of storing excess parts. - User-Friendly Installation : Experience straightforward installation with these self-tapping screws. Their high hardness and strong penetration allow for direct screwing into wood or thin iron materials. Deep, complete threads ensure a secure fit and reduced effort during use. - Versatile Applications : These screws are resistant to gasoline, antifreeze, lubricants, and other chemicals, making them suitable for a variety of environments. They withstand oxidation and high temperatures, making them an excellent choice for automotive applications such as car mudguards, bumper covers, ventilation ducts, wheel arches, and splash guards. - Practical Performance : Whether you're a DIY enthusiast or a professional, these self-tapping screws provide reliable fastening in various projects. Their strength and resilience make them a must-have in your toolkit, ready to tackle multiple tasks with confidence.