316 Stainless Steel Hex Bolt M10 x 100mm – Marine Grade | Jaycar

That long through-bolt on your rail or bracket is pitting and you're done patching it. Swap in this Jaycar M10 x 100mm hex bolt — 316-grade stainless that shrugs off salt spray, humidity and the occasional splash of diesel. Same thread as your existing fitting, just the length when you need to go deeper through a thicker member. One bolt, one job, no rust drama next summer. Sold individually

• 316-grade stainless steel — outlasts 304 and mild steel in marine environments
• M10 x 100mm hex bolt for deeper through-bolt applications
• Purpose-built for saltwater, coastal and outdoor structural work
• Standard hex head for wrench or socket fitting
• Sold individually — buy one, buy ten, your call