Top 10 Best lock pin in 2026

Last Updated - 6/15/2026

🏆Best Choice

Comonc

Comonc Square Pto Pin Shaft Locking Pin 1/4 pin Hitch pin Wire Lock Pin Safety Coupler Pin 1/4" x 2-3/4"for PTO,Farm,Lawn,Hitches,and Garden,10 PCS

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Standard Size】The square shaft locking pin has a diameter of 6.3mm/ 1/4 inch and a length of 70 mm /2-3 / 4 inch, suitable for a variety of trailer connectors.
•【High carrying capacity 】The pto pin made of high-quality carbon steel and spring steel and has a strong load carrying capacity. It is structurally strong and difficult to loosen when in use.
•【Good safety performance】It's got a nice safety latch it's gonna come around it and hold it in place，you don’t have to worry about it popping out.
•【Corrosion-Resistant】The coupler safety pin has a very good zinc coating, so the corrosion resistance will become a very strong suit, you don’t have to worry about it degrading over time.
•【Application】The shaft locking pin is for farming, gardening, truck, boat, trailer couplers, trailer jack wheel, PTO accessories or other locking applications.

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$8.99

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INCREWAY

INCREWAY 10pcs Wire Lock Pin, 1/4" Heavy Duty Safety Coupler Shaft Locking Pin Hitch Pto Pin Round Loop Wire Lock Trailers Pin for Farm Lawn Garden

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【1/4" Diameter】: This safety coupler pin is 2" (55mm) long and 1/4" (6mm) in diameter, usable length is 1.58"(40mm), suitable for quick release applications in variety situations.
•【Carbon Steel Material】: Made of high-quality carbon steel material sturdy and durable, not easy to deform.The surface is planted with black paint, rust-proof and corrosion resistance.
•【Self-Locking Design】: The lynch pin is designed with a self-locking ring, and the spring locking pins are structurally strong and reasonably constructed, which are very convenient to use and will not loosen during use.
•【Extensive Scenes】:Great for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications.
•【Easy to use】: A total of 10 D pins are included, enough for daily replacement or backup.

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$9.99

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yiqqplos

YIQQPLOS 2 Pack Premium Safety Coupler Pin 1/4" x 3.15"(6.3mm x 80mm) High-Quality Trailer Pin Pto Pin Shaft Locking Pin Square Wire Lock Pin for Farm Trailers, Towing, Lawn

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•1. HIGH-QUALITY MATERIAL: Our YIQQPLOS 2 Pack Premium Trailer Pin is made of high carbon steel and zinc plated, ensuring durability and corrosion resistance. This premium material ensures that the pin can withstand heavy loads and provides a long-lasting performance.
•2. WIDE APPLICATION: Designed with versatility in mind, this trailer coupler pin is suitable for various applications. Whether you need it for farm trailers, towing, or lawn equipment, this pin will provide a secure connection and peace of mind.
•3. SUPERIOR SAFETY PERFORMANCE: The safety of your trailer and cargo is our top priority. With a good safety performance, our pin features a square wire lock design that securely locks the trailer coupler, preventing accidental uncoupling during transit. You can trust this pin to keep your load secure.
•4. CONVENIENT AND EASY TO USE: Featuring a simple design, our shaft locking pin is easy to install and remove. It has a 1/4" x 3.15" (6.3mm x 80mm) size, making it compatible with most trailer couplers. Save time and effort with this hassle-free pin.
•5. RELIABLE AND COST-EFFECTIVE CHOICE: When it comes to trailer pins, choosing a reliable option is crucial. Our YIQQPLOS Trailer Pin offers premium quality at an affordable price. Rest assured that you're getting a high-quality product that will meet your needs for years to come.

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$4.49

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SuperMMarK

SuperMMarK 12-Count 1/4 Inch Heavy Duty Zinc-Plated Carbon Steel Spring Locking Pins for Farm Trailers Lawn Garden

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【1/4" DIAMETER PIN】The 1/4-inch diameter and 2-2/5-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. It can also be used for a trailer jack wheel, pintle hook and more.
•【High Carrying Capacity】The pto pin made of high-quality carbon steel and has a strong load carrying capacity. It is structurally strong and difficult to loosen when in use.
•【Corrosion-Resistant】Protected by a durable zinc-plated finish, the shaft locking pin maintains excellent resistance to rust and corrosion for longevity, you don’t have to worry about it degrading over time.
•【Good Safety Performance】This pto hitch pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free.
•【WIDELY USE】The loop wire lock is ideal for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications.

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$6.39

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ZOROLE

10 Pieces 1/4 Inch Wire Lock Pin, Trailer Coupler Pin,Hitch pin,Heavy Duty Safety Coupler Pin Shaft Locking Pin for Farm Trailers Wagons Lawn Garden(Square, Gold)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Shaft pin is made of good quality spring steel and carbon steel, zinc plated to resist rust and corrosion.
•Size: 1/ 4 inch diameter pin secures coupler latches, jack legs, pintle hooks and more.
•Shape: 10 pack heavy duty pin, Square, provides a quick latch and added clearance.
•Easy To Use: It is convenient and easy to use, secure your coupler latches, jack legs, pintle hooks, gear, trailer loads etc.
•Wide Application: Use coupler pins for farm, lawn and garden, trailer hitch receivers, and other applications to secure attachments and PTO accessories.

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$9.89

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VTurboWay

2 Pcs Tiny Safety Coupler Pin 3/16" x 1.97"(4.8mm x 50mm), Marine Grade 316 Stainless Steel Shaft Locking Pins

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•All parts are made of Marine grade 316 stainless steel, Excellent seawater corrosion resistance and durable
•Made of high quality stainless steel 316,Strong corrosion resistance and dura-ble in saltwater circumstance, suitable for outdoor long-term use
•Safety coupler pin has 1.97" (50mm)length and 3/16" (4.8mm) diameter，Small Pins Please check the size first, suitable for quick release applications in most situations
•Widely used in table saw, lawn, gardening, farming, truck, boat and top canopy part, trailer, satellite antenna, gazebo, plow, finish mower and boom sprayer ,tractoror other locking applications.
•Heavy duty Shaft Locking Pin work perfectly as a replacement for lose part and lock into position.

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$7.59

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yiqqplos

YIQQPLOS 2Pcs Premium Safety Coupler Pin 1/4" x 3.2"(6.3mm x 80mm) High-Quality Trailer Pin Trailer Coupler Pin Pto Pin Shaft Locking Pin Round Wire Lock Pin for Farm,Trailer,Hitches,Lawn

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•【High-Quality Material】: Our YIQQPLOS Premium Trailer Pin is made of carbon steel and zinc plated, ensuring excellent corrosion resistance and durability.
•【Versatile Use】: This trailer coupler pin is designed to be used in a wide range of applications, including farm equipment, trailers, hitches, and lawn machinery.
•【Secure Locking Mechanism】: With its 1/4" diameter and 3.2" length (6.3mm x 80mm), this pin provides a secure locking mechanism for your trailer or equipment, giving you peace of mind during transportation.
•【Easy to Use】: The round wire lock pin design makes it easy to insert and remove the pin, saving you time and effort.
•【Safety First】: Our safety coupler pin is designed to keep your trailer securely attached to your vehicle, preventing accidental detachment and ensuring a safe towing experience.

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$3.99

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Hillman

Round Wire Lock Pin (1/4" x 2")

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Quality fasteners for a variety of home and commercial applications
•Easily locks your pin in place
•Includes round and square variants
•Included variants range 1/4" to 3/8" in diameter and 2" to 2-3/4" in length
•High corrosion resistance

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$12.10

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Hillman

The Hillman Group 58531 Square Loop Wire Lock Pin, 3/8 x 2-1/2-Inch, 3-Pack , Zinc

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Quality fasteners for a variety of home and commercial applications
•Easily locks your pin in place
•Includes round and square variants
•Included variants range 1/4" to 3/8" in diameter and 2" to 2-3/4" in length
•High corrosion resistance

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$10.85

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MUQIDA

MUQIDA 12 PCS Wire Lock Pins, 1/4"×2-2/5" Heavy Duty Zinc-Plated Round Arch Shaft Locking Coupler Pins, Trailer Hitch Safety Coupler Pin for Wagons Towing Garden, Car Accessories

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Secure Locking: The arch-shaped design with round wire retainers ensures that the pins stay securely locked in place, keeping them from accidentally falling out during operation. This reliable design enhances safety, especially when used with heavy-duty equipment, giving you peace of mind
•Excellent Quality: These locking pins are made of high-quality carbon steel, providing exceptional durability and strength. The zinc-plated finish adds an extra layer of corrosion resistance, ensuring these pins perform well even under harsh environmental conditions
•Suitable Size: With a diameter of 1/4 inch and a length of 2-2/5 inches, these pins are compatible with most standard trailer and hitch systems. Their size ensures a seamless fit, minimizing the risk of failure during operation and ensuring smooth locking and unlocking
•Ease of Use: The locking mechanism is simple to operate: just insert the pin into the corresponding slot and close the wire retainer to secure the pin in place. This quick-release feature allows for easy adjustment or removal of equipment components without the need for additional tools
•Versatile Use: These pins are versatile and ideal for securing various components in trailers, hitches, and towing equipment. Whether used for securing connections or locking PTO shafts, they provide a reliable and safe solution for many types of heavy-duty vehicles

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$5.99

$8.89

-33%

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