ZORUNNA 3/8" D-Ring Screw-Pin Shackles 10-Pack — Galvanized Carbon Steel, 1‑Ton WLL

ZORUNNA 10-piece 3/8" screw-pin D-ring (clevis) shackles are galvanized carbon-steel connectors rated for a 1-ton (2,204 lb) working load, designed for secure rigging, towing and outdoor use.

These screw-pin anchor shackles provide a straightforward, heavy-duty connection point for chains, ropes and straps. Constructed from carbon steel with a galvanized finish, they resist corrosion while giving consistent strength under load. The pin is thickened for added shear resistance and the deep-thread screw design helps keep the pin seated securely during movement and vibrations.

How do these shackles keep a load secure?

The screw-pin clevis design uses deep threading to reduce the chance of the pin backing out under vibration, while the thickened pin increases shear strength at the critical connection point. Together these features maintain clamping force and distribute load across the shackle body.

• Deep-thread screw pin prevents accidental loosening
• Thickened pin for improved shear resistance
• Rounded bow design spreads load to reduce stress points
• Galvanized finish protects threaded areas from rust

What are the key specifications I need to know?

Each shackle measures 3/8" (10 mm) nominal diameter with a maximum opening width of about 16 mm. The manufacturer lists a working load limit of 1 ton (2,204 lb) per shackle; do not exceed this limit and always inspect before use.

• Pack quantity: 10 pieces for multi-purpose use
• Shackle size: 3/8" (10 mm) with ~16 mm opening
• Working load limit: 1 ton (2,204 lb) per shackle
• Material & finish: carbon steel with galvanized coating

Where and how should I use these shackles safely?

These shackles are suitable for marine fittings, cargo handling, recovery, camping rigging and general-purpose tie-downs when used within rated limits. Avoid side loading, shock loads and use only with compatible hardware; always follow industry safe rigging practices.

• Use only in-line loading; never side-load the shackle
• Match pin diameter and sling/choker sizes to avoid wear
• Inspect threads and body for deformation before each use
• Replace any shackle that shows bending, cracks, or excessive corrosion

How easy is installation and maintenance?

The screw-pin configuration simplifies installation — the pin threads in and out without tools for quick connections. Maintenance is minimal: rinse with fresh water after salt exposure, lightly lubricate threads, and store in a dry place to prolong the galvanized coating.

• Hand-threaded screw pin for fast on/off use
• Rinse after saltwater exposure to reduce corrosion
• Lubricate threads occasionally for smooth operation
• Store away from prolonged moisture to preserve finish

Who is this for: ZORUNNA 3/8" screw-pin D-ring shackles are aimed at boat owners, outdoor enthusiasts, tradespeople and anyone who needs reliable, repeatable connections for towing, rigging or cargo restraint. They suit buyers who want a durable galvanized steel option in a convenient 10-piece set for multiple projects and spare parts, provided they observe the listed working load limit and safe use practices.