Ronstan RF618 5/16" Pin Shackle – 316 Stainless Steel Marine Fitting

The Ronstan RF618 Shackle with a 5/16" (7.9mm) pin is a heavy-duty, forged marine shackle designed for secure connections in high-load sailing and rigging systems. Crafted from premium 316-grade stainless steel, this shackle provides outstanding corrosion resistance and long-term performance in tough saltwater environments.

Its strong and compact design is ideal for a wide range of marine applications, from attaching blocks and lines to securing deck fittings and hardware. With high load capacity and a sleek polished finish, the RF618 is a dependable choice for cruising and offshore vessels.

Specifications:

• Pin Diameter: 7.9mm (5/16")

• Internal Length: 30.0mm

• Internal Width: 14.0mm

• Material: 316 stainless steel

• Breaking Load: 2400kg

• Working Load Limit: 1200kg

• Design: Forged body for strength and durability

• Applications: Sailing rigging, deck hardware, load-bearing marine systems

Trusted by New Zealand sailors for reliability and strength, the RF618 is available now at Barton Marine NZ – your official Ronstan marine hardware supplier.