---
product_id: 158020755
title: "5/16\" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4\" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers"
brand: "increway"
price: "VT4408"
currency: VUV
in_stock: true
reviews_count: 13
url: https://www.desertcart.vu/products/158020755-5-16-trailer-coupler-pin-4pcs-heavy-duty-shaft-locking
store_origin: VU
region: Vanuatu
---

# 5/16" Diameter Heavy Duty Rust Resistant 5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers

**Brand:** increway
**Price:** VT4408
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock It Down, Live It Up!

## Quick Answers

- **What is this?** 5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers by increway
- **How much does it cost?** VT4408 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/158020755-5-16-trailer-coupler-pin-4pcs-heavy-duty-shaft-locking)

## Best For

- increway enthusiasts

## Why This Product

- Trusted increway brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from high-quality spring carbon steel for long-lasting use.
- • **Corrosion Protection:** Zinc coating ensures resistance against rust and wear.
- • **Versatile Applications:** Perfect for trailers, gardening, and industrial use.
- • **Secure Locking Mechanism:** Engineered to withstand heavy loads without loosening.
- • **Quick Release Convenience:** Effortlessly insert and remove with a simple push.

## Overview

This 5/16" Trailer Coupler Pin set includes four heavy-duty shaft locking pins made from durable carbon steel with a rust-resistant zinc coating. Each pin measures 2-3/4" long and is designed for secure locking in various applications, making them ideal for trailers, gardening, and industrial use.

## Description

Full description not available

## Features

- 【5/16" Diameter】: This safety coupler pin is 2-3/4" (70mm) long and 5/16" (8mm) in diameter, usable length is 2-1/4"(60mm), suitable for quick release applications in variety situations.
- 【Rust & Corrosion Resistant】: Made of high-quality spring carbon steel material with zinc coating, the 5/16" hitch pin is rust and corrosion resistant, very durable and sturdy, fits for outdoor long-term use.
- 【Secure Hold】: These heavy duty safety pin are structurally strong, they are quality fasteners with strong load carrying capacity, fit for varieties of home and industrial locking applications and will hard to loosen during use.
- 【Easy for Using】: Just need to insert pins into the corresponding hook slot and close it. Easy installing and quick released fastener, providing you a convenient way to adjust or remove accessories on equipment.
- 【Wide Application】: Great for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications.

## Images

![5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers - Image 1](https://m.media-amazon.com/images/I/518vM-XVnFL.jpg)
![5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers - Image 2](https://m.media-amazon.com/images/I/51mzHCk9SvL.jpg)
![5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers - Image 3](https://m.media-amazon.com/images/I/61jZTb+1ByL.jpg)
![5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers - Image 4](https://m.media-amazon.com/images/I/51m8wn+iYIL.jpg)
![5/16" Trailer Coupler Pin, 4pcs Heavy Duty Shaft Locking Pin Pto Pin Carbon Steel Safety Coupler Pin in 2-3/4" Long, Square Wire Locking Pin for Farm Lawn Garden Trailers - Image 5](https://m.media-amazon.com/images/I/61hI76Sw82L.jpg)

## Available Options

This product comes in different **Size, Number of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Cheaper by the bunch
  

*by G***D on Reviewed in the United States on July 29, 2019*

Trailer hitch pins seem to grow legs quite a lot. So we found our selves short a few.  Ordered these off Amazon. Same quality as the factory pins, so not any problems. Well made and working out great.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    well constructed
  

*by T***E on Reviewed in the United States on October 29, 2020*

These retainer pins will work without failure for my application. Also, they appear well galvanized.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Just as expected
  

*by M***2 on Reviewed in the United States on August 13, 2020*

They are as advertised.

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**Shop now:** [https://www.desertcart.vu/products/158020755-5-16-trailer-coupler-pin-4pcs-heavy-duty-shaft-locking](https://www.desertcart.vu/products/158020755-5-16-trailer-coupler-pin-4pcs-heavy-duty-shaft-locking)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-01-24*