Marine Shackle Safety Bolt Nuts Supplier - Rigging Systems

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)