10 Pack Trailer Coupler Pin 5/16x3-3/8in Towing Hitch Pin Heavy Duty Wire Lock Pin Secure PTO Shaft Locking Pin for Trailers, RVs, Boats, Farm Equipment
Condition: New
$16.98
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was $39.99
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Friday, Oct 30
At a glance
- Condition
- New
- Size
- 5/16x3-3/8
- Material
- Carbon Steel
- Pin type
- Hitch
- Item Diameter
- 0.31 in
- Finish Types
- Polished
Features 5
- Perfect Fit: Each pin measures 5/16 inch in diameter and 3-3/8 inches in length, ensuring a secure fit for most trailer couplers.
- Heavy-Duty Construction: Crafted from durable materials, these pins are built to withstand heavy loads, resist corrosion, and last through countless towing adventures.
- Secure Towing: Rest easy knowing your trailers, campers, and equipment are securely attached during every journey with our dependable coupler pins.
- Easy Installation: The user-friendly design allows for quick and effortless installation, so you can get on the road without delay.
- Multipurpose Versatility: Whether for trailers, RVs, boats, or farm equipment, this coupler pin set is designed to handle a variety of towing tasks.
Specs 13
| Material | Carbon Steel |
|---|---|
| Size | 5/16x3-3/8 |
| Pin type | Hitch |
| Brand | Truleego |
| Item Diameter | 0.31 Inches |
| Number of Pieces | 10 |
| Fastener Type | Hitch |
| Manufacturer | Truleego |
| Size Name | 5/16x3-3/8 |
| Item Dimensions | 3.54 x 2.36 x 2.36 inches |
| Material Type | Carbon Steel |
| Finish Types | Polished |
| Compatible Groove Diameter | 0.31 Inches |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Good Pins.
Size: 5/16x3-3/8
It is pretty hard to review a metal pin, but let me hit the AI bullet points... Good quality, good value for the money, it functions as it should (not sure how it couldn't), and it fit in the hole I drilled.
Reviewed in the United States on August 17, 2025 by Jesse
Always need on hand
Size: 5/16x2-3/4inch
Great item, and it's a good size.I use these all the time, and I'll know how I lose them so often. Something most people with outdoor equipment should always have on hand. Why did you pick this product vs others?: Size and material.
Reviewed in the United States on July 13, 2025 by Paddock
Hefty hitch pins
Size: 5/16x2-3/4inch
These are great 5/16” pins. I’ve got several tractor implements and these pins are ideal for them. I like these pressure release type ones over others. The pins here all seem well-made and good quality. I’ve used almost all of them and I’ve had no issues with any of them.
Reviewed in the United States on July 27, 2025 by Heath Detweiler
Strong
Size: 5/16x3-3/8
Do the work as supposed to do
Reviewed in the United States on October 24, 2023 by Lucas
Good function, good finish, love these
Size: 5/16x2-3/4inch
Very well made hitch pins, just like the ones I buy at my local farm supply, but conveniently sourced through Amazon. When you own a farm, your tractors and equipment do all of the heavy lifting. These hitch pins are essential for hooking up equipment like bush hogs and discs, and they are ALWAYS getting lost or misplaced. It's nice to have 10 on hand so you know that your work won't have to be delayed by running out to the local coop or hardware store to get more pins before you can hook up and get going. Thank you, Amazon!
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Reviewed in the United States on June 15, 2025 by Gaylene Fox
strong steel pin
Size: 5/16x2-3/4inch
The pins are made of a strong steel. They have good weight and work well for what I needed them for, holding a pin in place for a 3point hitch on a tractor. While there isn't a lot to them that is what makes them work well, simple design, strong. I look forward to seeing long term how well they hold up but my anticipation is that they will do the job as described.
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Reviewed in the United States on June 13, 2025 by TLC611
Handy pins with a variety of uses.
Size: 5/16x2-3/4inch
Nice, good quality pins and retainer clips. I have a lot of uses for these for my RV trailer, and yard equipment, and home. These are nice in that they are all one piece. No retaining clip to lose.
Reviewed in the United States on June 18, 2025 by Glock 26
Pins That Do the Job Without Getting All Rusty About It
Size: 5/16x2-3/4inch
What can I say? These pins work. They fit everything I’ve thrown at them trailers, boat gear, tractor attachments like they were custom-made for the life of weekend projects and towed adventures. Heavy-duty build, zinc plated, and so far, no signs of rust throwing a tantrum. You get ten in the pack, which means I’ll probably lose nine in the next month and still feel like I got my money’s worth. Four stars for being exactly what they claim to be functional, sturdy, and not trying to reinvent the pin.
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Reviewed in the United States on July 8, 2025 by Justa Jer