M20‑2.50 × 120 mm Hex Cap Screw – Stainless Steel A4 (316), DIN 933

Manufactured for extra‑long, high‑strength metric fastening in corrosive and demanding environments, the M20‑2.50 × 120 mm hex cap screw is produced to DIN 933 specifications from A4 (316) stainless steel. The fully threaded shank provides complete thread engagement through thick or multi‑layer assemblies, ensuring consistent clamping force and secure load transfer under heavy loads. A standard hex head allows dependable installation and removal using common industrial tools. A4 (316) stainless steel offers excellent resistance to rust, moisture, salt exposure, and chemical attack, making this fastener ideal for marine, outdoor, and heavy industrial applications. Commonly used in heavy machinery, structural steel connections, equipment frames, and stainless steel fabrications where extended length, durability, and long service life are essential.