M4‑0.70 × 20 mm Hex Cap Screw – Stainless Steel A4 (316), DIN 933

Manufactured for corrosion‑resistant fastening in longer metric applications, the M4‑0.70 × 20 mm hex cap screw is produced to DIN 933 specifications from A4 (316) stainless steel. The fully threaded design allows full thread engagement through thicker components, providing reliable clamping force and secure assembly. A standard hex head enables straightforward installation and removal using common hand tools. A4 stainless steel offers excellent resistance to rust, moisture, salt spray, and chemical exposure, making this fastener ideal for marine, outdoor, and industrial environments. Commonly used in machinery assemblies, equipment housings, structural joints, and stainless steel fabrications where durability and long service life are required.