DIN 933 Hexagon Head Bolts

• • Grades: AISI 316 | AISI 304
• • Material: Stainless Steel
• • Thread Types: Metric | Metric Fine | UNC | UNF
• • Standard Compliance: DIN 933

When you're bolting down an engine mount in a humid engine room, standard steel corrodes in weeks. That's why marine mechanics standardize on AISI 316 stainless for these full-thread hex bolts. You get a secure grip right up to the bolt head, making them ideal for tight clearance assemblies where you can't fit a long unthreaded shank. We stock these from M3 all the way up so you aren't hunting for that one specific size when a ship is waiting to clear port.

• Perfect for: Marine engine mounts, exterior architectural steelwork, chemical plant assembly.
• Not ideal if: You need a shear-resistant bolt for heavy structural steelwork (use high-tensile carbon steel instead).