Enhance your fastening solutions with our premium Button Head Socket Cap Screw. Crafted from durable steel with a thermal black oxide finish, this screw ensures both strength and corrosion resistance. Engineered to ISO 7380-1 standards, it features a M4 x 0.7 thread size and measures 40mm in length. The 10.9 material grade guarantees reliable performance, while the hex socket drive type offers easy installation. RoHS compliant, it's a sustainable choice for various applications. Upgrade your fastening arsenal with this high-quality screw.