M5‑0.80 × 40 mm Hex Cap Screw – Stainless Steel A4 (316), DIN 933

Designed for extended‑length fastening in corrosive and outdoor environments, the M5‑0.80 × 40 mm hex cap screw is manufactured to DIN 933 standards from A4 (316) stainless steel. The fully threaded design allows deep thread engagement through thicker materials, providing secure and consistent clamping force. A standard hex head supports reliable installation and removal using common hand tools. A4 stainless steel offers excellent resistance to rust, moisture, salt spray, and chemical exposure, making this fastener well suited for marine, industrial, and exterior applications. Commonly used in machinery assemblies, equipment frames, structural connections, and stainless steel fabrications where durability and long service life are required.