Towing hitch clips and pins are essential components for securely attaching a ball mount or other accessories to your vehicle's trailer hitch receiver. These small but critical parts prevent the hitch assembly from detaching during transit, ensuring safety and compliance. Products were evaluated based on material durability, diameter compatibility, ease of use, corrosion resistance, user reviews, and feature analysis.
The CURT 21500 offers a versatile 5/8-inch diameter, an easy-to-grip bent handle, and a durable zinc-plated finish for reliable performance.
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MaxxHaul 50565 3 Pack Trailer Hitch Pin & Clip with Rubber-Coated Vinyl Yellow Grip, 5/8" Diameter, Fits 2" Receiver
$9.99
The MaxxHaul 50565 provides a cost-effective 3-pack of durable, zinc-plated pins with comfortable rubber-coated grips, offering excellent value.
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Alloygold 80 Pcs 6 Sizes Stainless Steel Hitch Pin Clip Kit for Hitch Pin Lock System, Trucks, Engine Repair
$9.99
The Alloygold 80 Pcs kit stands out with its high-quality 304 stainless steel construction and a comprehensive assortment of secure R-clips for various applications.
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- 【High-quality and versatile assortment】- The 80 Pcs Hitch Pin Clip R Clips Retaining Pins Tractor Cotter Pin Hair Pin Assortment offers a wide range of sizes to meet various needs. With 6 different hitch pin sizes, including M1x20, M1.5x25, M2x...
- 【Durable and rust-resistant construction】- Made from high-quality 304 stainless steel, these R clips retaining pins are built to last. The High-strength 304 stainless steel technology used on these pins effectively prevents rust, ensuring a smooth and...
- 【Secure and reliable hairpin design】- The strong elastic hairpin design of these hitch pin clips ensures a secure and reliable connection. The strict metal composition and consummate casting skill used in their manufacturing process result in pins...
- 【Versatile replacement for various applications】- These cotter pins are perfect replacements for weaker pins found on equipment such as trailer ball pins, dolly pins, keeper pins, retainer pins hitch, hand truck pin replacements, and tractor cotter...
- 【Convenient and organized storage】- The Hitch Pin Clip R Clips set comes with a reusable storage box for easy organization and convenient storage. The plastic container features a lock to keep the pins securely in place. Each pin is arranged according...
- 【Essential for RV & Farm Lifestyles】This 8-pack of trailer pins is a game-changer for RV families, farmers, and anyone who owns a trailer. With enough spares to keep in your truck, RV, or tool shed, it covers all needs—from daily farm equipment use...
- 【Standard Size for Snug Fit】Designed with 2-3/4" x 1/4" (L x W) standard dimensions, this trailer pin fits most coupler latch holes seamlessly. It locks snug and securely to prevent accidental detachment, perfect for several different trailers, wood...
- 【Premium Durability & Rust Resistance】Our trailer hitch pin crafted from high-quality carbon steel with zinc plating, sturdy enough to stay closed. The corrosion-resistant finish ensures long-lasting performance even in outdoor farm, yard, or towing...
- 【Versatile Locking Retainer】More than a basic lock pin, this multi-functional trailer coupler pin works for securing ramp doors, trailer gates, and even organizing wrenches. It's a must have for farm uses—from attaching tractor carts to fixing yard...
- 【Reliable Safety for Every Use】The strong locking retainer design of our trailer hitch pins ensures your cargo, equipment, and family stay safe during transit. It's sturdy enough for farm tasks, reliable for RV road trips, and practical for home...
- Constructed from durable solid steel with a zinc-plated finish and a vinyl yellow grip to resist rust and corrosion
- Features a built-in convenient bent handle for enhanced comfort and allows for a more secured grip
- Kit includes 3" working shank x 5/8" diameter pin making this hitch pin a compatible and versatile fit for Class III and IV hitch receivers
- Designed to keep the pin securely engaged with the ball mount on your trailer hitch for a safe towing connection and provides reliable strength for long lasting use
- Tapered end makes it easy to insert this pin into the hitch hole for easy installation and removal
- Compact design allows you to store in your tool box, glove compartment or anywhere when you need it; it is a must accessory for all your towing needs
- Secures hitch pin to trailer hitches
- Fits a variety of hitch pins with hole or grooved attachment
- Steel construction
- Protected by a durable zinc-plated finish
- Includes three hitch clips (hitch pins not included)
- VERSATILE. The 5/8-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 2-inch shank and 5/8-inch pin hole, making this receiver hitch pin a perfect fit for most class 3, 4 and 5 trailer hitches
- EASY TO GRIP. The 105-degree bend in this black trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount
- CORROSION-RESISTANT. Protected by a durable black zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time
- HIGH-STRENGTH. This 5/8-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure
- SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver on your vehicle. With the pin holes in the side of the receiver tube lined up, insert the hitch pin. Then, install the clip
- PACKAGE CONTENT - 4 x R Clips; Size: M3.5 x 75mm(T*L). These R clips are essential fasteners for trailer pins.
- HIGH QUALITY - These trailer hitch pins are made of stainless steel and the surface is galvanized to enhance rust and corrosion resistance to ensure a long service life.
- SAFE DESIGN - The spring clips can easily and quickly clamp the hitch pins. It has a strong clamping force and is not easy to fall after fixing the hitch pins, which enhances the safety of the trailer during the towing process.
- WIDE USE - These R clips is widely used in lawn mowers, trailers, campers, RVs, trucks, automobiles, agricultural machinery, garden equipment, etc.
- VERSATILE. The 5/8-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 2-inch or 2-1/2-inch shank and 5/8-inch pin hole to fit virtually any class 3, 4 or 5 hitch
- EASY TO GRIP. The 105-degree bend in this trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount
- CORROSION-RESISTANT. Protected by a durable zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time
- HIGH-STRENGTH. This 5/8-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure
- SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver on your vehicle. With the pin holes in the side of the receiver tube lined up, insert the hitch pin. Then, install the clip
- 12-Piece Multi-Size Assortment: This comprehensive kit includes the most common sizes for towing and agriculture: (4) 1/4" x 2-3/4" Square, (2) 5/16" x 2-1/2" Square, (4) 1/4" x 2-3/4" Arch, and (2) 5/16" x 2-1/2" Arch pins. One kit covers all your...
- Dual-Shape Locking Versatility: Includes both Square and Arch (Round) wire lock pins. Use the square-loop pins for flat surfaces and standard couplers, and the arch-loop pins for increased clearance over rounded shafts and tubes, ensuring a secure...
- Heavy-Duty Carbon Steel Build: Every pin in this set is forged from high-strength carbon steel with a premium zinc-plated finish. This provides superior shear strength and long-lasting rust resistance, essential for equipment exposed to rain, road salt...
- Universal Tool-Free Installation: Engineered for efficiency, these safety pins feature an integrated spring steel wire loop. Simply slide the pin through the hole and snap the wire shut for a permanent, vibration-proof lock. No separate clips or cotter...
- The Ultimate Equipment Backup: Ideal for fleet managers, farmers, and DIYers. This 12-pack assortment ensures you always have the right size pin on hand for your utility trailer, tractor attachments, garden equipment, or boat ramps, preventing downtime...
- VERSATILE. The 5/8-inch diameter of this hitch pin is compatible with any ball mount or other trailer hitch accessories with a 2-inch shank and 5/8-inch pin hole, making this receiver hitch pin a perfect fit for most class 3, 4 and 5 trailer hitches
- EASY TO GRIP. The 105-degree bend in this black trailer hitch pin creates a useful handle for easier use and allows the pin to stay securely engaged in the trailer hitch and ball mount
- CORROSION-RESISTANT. Protected by a durable black zinc-plated finish, this tow hitch pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time
- HIGH-STRENGTH. This 5/8-inch trailer hitch pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure
- SIMPLE TO INSTALL. To install this trailer hitch pin, simply insert your ball mount or other hitch accessory into the receiver on your vehicle. With the pin holes in the side of the receiver tube lined up, insert the hitch pin. Then, install the clip
This article is part of our complete guide Automotive — browse all our comparisons and buying guides.
Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Towing Hitch Clips Pins
Understanding Hitch Pin Diameter and Receiver Compatibility
The primary consideration when selecting a towing hitch pin is its diameter and how it matches your vehicle's receiver. Typically, Class I and II hitches utilize a 1/2-inch diameter pin, as exemplified by the X-Haibei 4 Pack. In contrast, most Class III and IV hitches, which are common for heavier towing, require a 5/8-inch diameter pin. Products like the CURT 21500 and MaxxHaul 50565 are designed with this 5/8-inch standard in mind, ensuring a snug and secure fit in corresponding 2-inch receivers. Using an incorrect diameter can lead to excessive play, premature wear, or a complete failure of the connection, compromising safety.
Material Durability and Corrosion Resistance
The environment in which towing hitch pins operate demands robust materials and finishes to withstand rust and corrosion. Many standard pins, including the CURT 21500 and MaxxHaul 50565, feature a zinc-plated finish over solid steel, which offers a good level of protection against the elements. However, for maximum resistance, especially in marine or harsh winter conditions, materials like 304 stainless steel, as seen in the Alloygold 80 Pcs kit, or advanced galvanizing on carbon steel, offered by Yoliko, provide superior longevity. Users often report that while zinc plating performs adequately for general use, stainless steel options maintain their integrity and appearance over extended periods without showing signs of degradation.
Ease of Use and Grip Design
Maneuvering hitch pins, particularly in tight spaces or cold weather, benefits greatly from thoughtful design. The 105-degree bend in the CURT 21500 trailer hitch pin creates a functional handle that simplifies insertion and removal. Similarly, the MaxxHaul 50565 enhances user comfort with a built-in bent handle featuring a rubber-coated vinyl grip, which also helps prevent slips. While some pins, like the X-Haibei, offer a vinyl-coated head for durability, the ergonomic bent handle designs are typically favored by users for their practical advantage during frequent use. When dealing with smaller R-clips, like those in the Alloygold or Yoliko kits, the strong elastic hairpin design is crucial for secure engagement and ease of manipulation.
Clip Type and Security
Beyond the main pin, the retaining clip plays a vital role in securing the connection. Many hitch pins, such as the CURT 21500 and MaxxHaul 50565, come with a traditional wire clip. While effective, some users prefer the enhanced security and robust design of R-clips, also known as hairpin cotter pins. The Alloygold 80 Pcs and Yoliko 12 Pcs kits specialize in these R-clips, which feature a strong elastic hairpin design that provides a very secure hold, reducing the likelihood of accidental detachment compared to simpler wire clips. When choosing, consider the vibration levels and potential stresses your towing setup will experience; a more secure clip type can offer greater peace of mind.
Pros & Cons
B0007LZK9S
Pros
- Features a versatile 5/8-inch diameter compatible with common 2-inch receivers.
- The 105-degree bend forms an ergonomic handle, simplifying insertion and removal.
- Durable zinc-plated finish provides good resistance against rust and corrosion.
Cons
- Sold as a single unit, which may not be ideal for users needing multiple pins.
- The standard clip, while functional, might be perceived as less secure than R-clips by some users.
MaxxHaul 50565 3 Pack Trailer Hitch Pin & Clip with Rubber-Coated Vinyl Yellow Grip, 5/8" Diameter, Fits 2" Receiver
Pros
- Constructed from solid steel with a zinc-plated finish for enhanced durability and rust resistance.
- Includes a comfortable rubber-coated vinyl yellow grip for improved handling and comfort.
- Comes in a convenient 3-pack, offering better value for multiple applications or replacements.
Cons
- The vinyl grip may show signs of wear or degradation over prolonged exposure to elements.
- Specifically designed for 5/8-inch diameter, limiting its use with smaller Class I/II hitches.
Alloygold 80 Pcs 6 Sizes Stainless Steel Hitch Pin Clip Kit for Hitch Pin Lock System, Trucks, Engine Repair
Pros
- Made from high-quality 304 stainless steel, offering superior rust and corrosion resistance.
- Provides a versatile assortment of 80 pieces in 6 different sizes, suitable for various applications.
- Features a strong elastic hairpin (R-clip) design for a secure and reliable hold.
Cons
- The kit primarily contains R-clips and not traditional bent hitch pins, requiring separate purchase if a full pin is needed.
- The large quantity might be excessive for individuals only needing a single or a few clips.
Common Mistakes to Avoid
Incorrect Diameter Matching
A frequent error is failing to verify the required hitch pin diameter for the receiver. For instance, using a 1/2-inch pin, like those offered by X-Haibei, in a 2-inch receiver designed for a 5/8-inch pin (such as the CURT 21500 or MaxxHaul 50565) leads to excessive play. This can result in rattling, accelerated wear on the receiver and pin, and potentially an unsafe connection. Always measure your receiver opening before purchasing.
Overlooking Material for Environmental Conditions
Another common mistake is underestimating the impact of environmental factors on pin longevity. While zinc-plated steel pins, like the CURT 21500, offer good corrosion resistance for general use, they may not suffice in highly corrosive environments such as coastal areas or regions where road salt is heavily used. In such cases, opting for 304 stainless steel R-clips from Alloygold, or advanced galvanized carbon steel as seen with Yoliko, would provide significantly better long-term durability and prevent premature rust.
Neglecting Clip Type and Security
Users sometimes overlook the importance of the retaining clip type. Standard wire clips, often accompanying pins like the CURT 21500, are generally effective. However, for applications involving heavy vibration or critical security, relying solely on a basic clip without considering alternatives like the strong elastic hairpin (R-clip) design found in Alloygold or Yoliko kits can be a mistake. R-clips typically offer a more positive and secure lock, reducing the risk of the pin dislodging.
Underestimating the Need for Spares or Assortments
Purchasing a single hitch pin and clip, like the CURT 21500, without considering the need for spares or different sizes is a common oversight. Pins and clips can be misplaced or damaged. Products like the MaxxHaul 50565 (a 3-pack) or the Alloygold 80 Pcs kit (a multi-size assortment) provide a practical solution for having replacements on hand or for fitting various accessory types, preventing delays when a component is lost or broken.