Heavy Duty Trailer Coupler Pin D-Shape Split Wire Lock 10pcs

Heavy Duty Trailer Coupler Pin – D-Shape Split Wire Lock

Keep your trailer, farm equipment, and towing gear securely fastened with these Heavy Duty Trailer Coupler Pins. Crafted from high-quality zinc-plated Q195 spring steel, these D-shape split wire lock pins deliver dependable holding strength across a wide range of outdoor and industrial applications. Each pack includes 10 pins, available in multiple size options to suit your exact needs.

Key Features

• Premium Zinc-Plated Steel: Made from Q195 / Spring steel with a zinc-plated anti-corrosion finish for lasting durability in harsh outdoor conditions.
• Tool-Free Installation: Quick and easy to insert or remove by hand — no tools required. Lightweight and compact, perfect for fast attachment changes in the field.
• Heavy-Duty Construction: Built to handle heavy loads and constant vibration. The sturdy core and rust-resistant coating ensure long-lasting, reliable performance over time.
• Reusable & Versatile: Ideal for trailers, farm equipment, PTO accessories, lawn mowers, table saws, trucks, boats, and industrial machinery.
• Multiple Size Options: Choose from 6×55mm, 6×55mm with ear, 6×70mm, or 6×70mm with ear to match your application.

Product Specifications

What Can You Use These Pins For?

These split wire lock pins are a go-to fastening solution for a wide variety of towing, agricultural, and industrial uses:

• Trailer hitches and couplers
• Farm equipment and PTO accessories
• Lawn mowers and garden machinery
• Trucks and utility vehicles
• Boats and marine trailers
• Industrial machinery and table saws

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Frequently Asked Questions

Q: What sizes are available for the Heavy Duty Trailer Coupler Pin?

A: These trailer coupler pins are available in four options: 6×55mm (standard), 6×55mm with ear, 6×70mm (standard), and 6×70mm with ear. Each pack includes 10 pins, making them a cost-effective choice for any towing or agricultural setup.

Q: What material are the Trailer Coupler Pins made from?

A: The pins are made from Q195 / Spring steel with a zinc-plated finish. This combination provides excellent anti-corrosion protection, strong holding power, and durability under heavy loads and outdoor exposure.

Q: Are these coupler pins easy to install and remove?

A: Yes! The D-shape split wire lock design allows for completely tool-free installation and removal. Simply insert or pull the pin by hand for quick field adjustments, making them ideal for frequent attachment changes on trailers, farm equipment, and more.

Q: Can these pins be reused multiple times?

A: Absolutely. These trailer coupler pins are fully reusable. The spring steel core retains its shape and holding tension even after repeated use, ensuring consistent, secure performance over time.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.