As the leading ship supplier in Navassa Island, Emergency Generator Controllers, we specialize in delivering high-quality Marine Shackle Safety Bolt Nuts with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Marine Shackle Safety Bolt Nuts are essential components in rigging systems, designed to secure shackles and prevent accidental loosening. These nuts are typically used in marine and heavy-duty applications to ensure safety and reliability. They feature durable construction to withstand harsh environments and high loads.
Size: 1/4" to 2" (or larger, depending on application)
Grade: Grade 2, Grade 5, Grade 8, or 316 Stainless Steel (varies by load requirements)
Material: Carbon Steel, Alloy Steel, or Stainless Steel (316/304 for corrosion resistance)
Working Load Limit (WLL): 0.25 tons to 85+ tons (varies by size and grade)
Breaking Strength: Typically 4-6 times the WLL
Viscosity: Not applicable (solid component)
Buoyancy: Negligible (steel density ~7.85 g/cm³, sinks in water)
Corrosion Resistance: Zinc-plated, hot-dip galvanized, or stainless steel for marine use
Thread Type: UNC, UNF, or metric (depending on standard)
Finish: Plain, galvanized, or polished (marine-grade often uses 316 stainless)
Temperature Range: -40°F to +400°F (-40°C to +204°C) for standard grades
Standards: ASTM A320, A193, or DIN 835 (varies by application)
Safety Factor: 4:1 to 6:1 (typical for rigging systems)
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