316 Stainless Steel Hex Bolt M12 x 50mm – Marine Grade | Jaycar

You need the 12mm thread strength but 40mm wasn't quite enough bite. This Jaycar M12 x 50mm hex bolt in 316-grade stainless slots right in — same head, same drive, just an extra 10mm of grip where it counts. Built for the salt air, the humidity, the occasional wave that slaps your railing. No orange streaks. No soft threads after a wet summer. Drop it in and forget about it until the next service. Sold individually

• 316-grade stainless steel — designed to resist saltwater corrosion long-term
• M12 x 50mm hex bolt for medium-depth marine and structural fittings
• Standard hex head compatible with common wrench and socket sizes
• Outperforms 304 stainless and mild steel in coastal conditions
• Sold individually — grab exactly the quantity your job needs