M4‑0.70 x 20mm Button Socket Cap Screw – A4 Stainless Steel (316)

This M4‑0.70 x 20mm button socket cap screw is manufactured from A4 (316) stainless steel to provide exceptional corrosion resistance in marine, chemical, and outdoor environments. The extended 20mm length allows for deep thread engagement and secure fastening in thicker or multi‑component assemblies. Featuring a low‑profile button head with an internal hex drive, it delivers reliable strength with a smooth, professional finish for precision metric applications.