1/4"x 2" Round Wire Lock Pin Effective Length 1-3/4" white Zin-plated for Trailer Truck
Round Wire Lock Pin
Wire Lock Pins Safety Shaft Locking Pin available in round or square handle style, Single or double strand made of low carbon steel, Zinc Yellow or Zinc Clear plated, Inch or Metric pin diameter, Available in stainless steel and customization. Safety Wire lock pins are like having pin and cotter in one secure assembly!
Round Wire Lock Pin Specification

| PART NO. |
Nominal (D) |
Effective Length (EL) |
Shank Length (SL) |
Handle Style |
WEIGHT | |
| INCH | MM | INCH | INCH | R/S | KG/PCS | |
| WL250-175R | 1/4 | 6 | 1-3/4 | 2 | Round | 0.033 |
| WL250-175S | 1-3/4 | 2 | Square | 0.033 | ||
| WL250-225R | 2-1/4 | 2-1/2 | Round | 0.040 | ||
| WL250-225S | 2-1/4 | 2-1/2 | Square | 0.040 | ||
| WL250-250R | 2-1/2 | 2-3/4 | Round | 0.042 | ||
| WL250-250S | 2-1/2 | 2-3/4 | Square | 0.042 | ||
| WL312-137R | 5/16 | 8 | 1-3/8 | 1-5/8 | Round | 0.038 |
| WL312-137S | 1-3/8 | 1-5/8 | Square | 0.038 | ||
| WL312-175R | 1-3/4 | 2 | Round | 0.045 | ||
| WL312-175S | 1-3/4 | 2 | Square | 0.045 | ||
| WL312-225R | 2-1/4 | 2-1/2 | Round | 0.049 | ||
| WL312-225S | 2-1/4 | 2-1/2 | Square | 0.049 | ||
| WL312-250R | 2-1/2 | 2-3/4 | Round | 0.054 | ||
| WL312-250S | 2-1/2 | 2-3/4 | Square | 0.054 | ||
| WL375-137R | 3/8 | 10 | 1-3/8 | 1-5/8 | Round | 0.042 |
| WL375-137S | 1-3/8 | 1-5/8 | Square | 0.042 | ||
| WL375-150R | 1-1/2 | 1-3/4 | Round | 0.043 | ||
| WL375-150S | 1-1/2 | 1-3/4 | Square | 0.043 | ||
| WL375-175R | 1-3/4 | 2 | Round | 0.051 | ||
| WL375-175S | 1-3/4 | 2 | Square | 0.051 | ||
| WL375-225R | 2-1/4 | 2-1/2 | Round | 0.058 | ||
| WL375-225S | 2-1/4 | 2-1/2 | Square | 0.058 | ||
| WL375-250R | 2-1/2 | 2-3/4 | Round | 0.064 | ||
| WL375-250S | 2-1/2 | 2-3/4 | Square | 0.064 |
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Key Features of Round Wire Lock Pins
1. Round Wire Lock Mechanism
The defining feature of these pins is the loop at one end, which acts as a spring-loaded locking mechanism. This loop snaps into place once the pin is inserted, providing a secure connection that prevents it from sliding out.
2. Quick Release Design
The loop allows for quick and tool-free release, making it easy to disengage the pin when necessary, without compromising on the security of the fastening.
3. Variety of Sizes
Round loop wire lock pins come in a wide range of diameters and lengths to accommodate different applications. This versatility allows users to find the perfect fit for their equipment.
4. High-Strength Materials
Made from durable materials such as carbon steel or stainless steel, these pins are built to withstand heavy loads and harsh environments. Many pins also feature protective coatings such as zinc plating for enhanced corrosion resistance.
Applications of Round Wire Lock Pins
1. Agricultural Machinery ![Linkgo Round Wire Lock Pin Application]()
In farming and agricultural operations, round loop wire lock pins are frequently used to secure attachments such as plows, harrows, cultivators, and other farm implements to tractors. Their quick release design allows for easy attachment changes, improving efficiency on the field.
2. Trailer Couplings and Hitches
In the transportation industry, round loop wire lock pins are commonly used to secure trailer hitches, couplings, and other towing equipment. They provide a safe and reliable connection between trailers and towing vehicles, ensuring stability even on rough roads.
3. Construction Equipment
Heavy-duty construction machinery often features movable parts or attachments that require secure fastening. Round loop wire lock pins are ideal for locking components such as buckets on excavators, stabilizing arms, or other accessories on bulldozers and cranes.
4. Automotive Industry
In automotive applications, round loop wire lock pins are used for various fastening tasks, including securing tow bars, racks, and removable components. Their robust design and easy handling make them perfect for frequent usage.
5. Sports Equipment and Recreation
Round loop wire lock pins are often used in the assembly of sports equipment, such as stabilizing sports nets, securing bike racks, or assembling portable bleachers. Their ease of use makes them ideal for leisure activities that require fast assembly and disassembly.
6. Marine and Boating
For marine applications, stainless steel versions of round loop wire lock pins are commonly used to secure components exposed to water, salt, and harsh marine environments. They are resistant to corrosion and are perfect for boat trailers, dock assemblies, and rigging.
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