product·5/9/2026

316 stainless fasteners for coastal and chemical plants

When to specify A4-80 instead of A2-70, and which EPPE items are already tooled.

316 stainless fasteners for coastal and chemical plants

A2 (304) covers most indoor and mildly outdoor work. Near the sea, in swimming-pool air or in chloride process plants, A4 (316) is the safer default.

Already in regular production

  • DIN 933 hex bolts M6–M16
  • DIN 934 nuts and DIN 125 washers
  • DIN 580 eye bolts
  • DIN 912 socket screws

Tell us the environment and we will recommend A2 vs A4 and a suitable finish for carbon-steel anchors.