Galvanised Blue Pin Bow Shackles – 1T to 9.5T | US Federal Spec RR-C-271D Heavy-duty blue pin screw bow shackles, hot-dip galvanised for marine lifting and rigging in Irish coastal environments These Galvanised Blue Pin Bow Shackles are engineered for secure lifting, towing, and rigging in marine conditions. Manufactured to US Federal Spec RR-C-271D, they feature a corrosion-resistant hot-dip galvanised finish and high-visibility blue screw pin for quick deployment and inspection. Available in SWL capacities from 1T to 9.5T, they’re ideal for Irish sailing, fishing, and offshore use where certified strength and durability are essential. Drop-forged and tested, these shackles deliver dependable performance in harsh coastal weather and saltwater environments. SWL (Tonne) Body Diameter (d) Pin Diameter (D) Inside Length (S) Jaw Width (W) Overall Width (2R) Weight (kg) 1.0 3/8″ 7/16″ 1 7/16″ 5/8″ 1″ 0.15 1.5 7/16″ 1/2″ 1 5/8″ 3/4″ 1 1/8″ 0.24 2.0 1/2″ 5/8″ 1 7/8″ 7/8″ 1 1/4″ 0.39 3.25 5/8″ 3/4″ 2 1/2″ 1 1/8″ 1 5/8″ 0.73 4.75 3/4″ 7/8″ 3 5/16″ 1 1/4″ 1 3/4″ 1.30 6.5 7/8″ 1″ 3 3/8″ 1 1/2″ 2″ 1.82 8.5 1″ 1 1/8″ 3 7/8″ 1 3/4″ 2 1/4″ 2.59 9.5 1 1/8″ 1 1/4″ 4 1/4″ 1 7/8″ 2 5/8″ 3.60 For added safety and reliability, we recommend using Seizing Wire with our shackles, hooks, and eyes to prevent accidental loosening under load or vibration. Monel Seizing Wire 0.9mm x 10m Spool
