9/16" x 4" Greaseable Trailer Shackle Bolt & Nut for 45mm Wide Spring x 2

Trailer Greasable Shackle Plate Pins – 9/16″ (14mm) with Nylock Nut Enhance the performance and lifespan of your trailer’s suspension system with these greasable shackle plate pins. Built for durability and smooth operation, each pin includes a grease nipple at the top, allowing easy lubrication without disassembly. Key Features: Diameter: 9/16″ (14mm) Greasable Design: Top nipple for efficient lubrication access Durability: Built from strong steel with corrosion-resistant finish Secure Fit: Includes nyloc nut to prevent loosening under vibration Benefits: Reduces Wear: Keeps your suspension joints moving smoothly with regular greasing Prevents Rust: Internal grease barrier helps prevent moisture and corrosion Perfect for Off-road & Marine: Essential for trailers exposed to mud, sand, or saltwater Installation Tips: Ensure that grease is regularly applied through the nipple to maintain free movement and prevent seizing. Compatible with most leaf spring shackle assemblies using 9/16″ pins. This is a smart upgrade for any trailer that sees frequent towing or off-road use. Protect your investment and reduce maintenance time with greasable pins that work as hard as you do.