Enhance your fastening solutions with our Flat Head Socket Cap Screw. This high-quality stainless steel screw is designed for precision and durability, meeting DIN 7991 specifications with a thread size of M4 x 0.7. Its 40mm length ensures reliable performance in a variety of applications, making it a versatile and essential addition to your toolkit. Rest assured, this screw is not only reliable but also environmentally friendly, with full RoHS compliance. Upgrade your fastening game with this top-of-the-line screw today.