As a factory, we specialize in producing high-quality self-drilling screws with EPDM bonded washers, such as the DIN7504K ZP YZP Finish Tornillos Hex Head Self Drilling Screw. Our screws are designed to quickly and easily penetrate through various materials, including steel, timber, and plastic, ensuring a secure and long-lasting hold. The EPDM bonded washers provide excellent sealing properties, making them ideal for outdoor use and preventing water penetration. Our screws are available in a range of finishes, including ZP and YZP, ensuring they are durable and resistant to corrosion. Choose our self-drilling screws for reliable, easy-to-use fastening solutions.