Best Steel Linchpins in 2026

High quality trailer hitch pins are constructed of zinc plated steel that lasts a lifetime, ensuring replacements are not needed

Heavy duty material allows for durability while hair pin style design gives fast and secure hold for bolts to ensure stability

Specialty lock ensures a tight lasting hold and comes with a key that opens four types of lock

Kit includes a variety of common lynch pins (L-pins). Includes handy storage case.

Ideal for cars, trucks, trailers, ATVs, mowers, tractors and other farm equipment.

Yellow zinc plated to resist rust and corrosion, Spring loaded rings to ensure a secure hold when installed

【Sizes】M1.6*25, M2.5*25, M2.5*40, M3.2*30, M3.2*40, M4*60. Total 6 frequently used sizes can meet your different needs.

【Material】Made of 304 stainless steel, corrosion resistant, durable and steady, corrosion resistance, and anti-rust, you can use it for a long time.

【Wide Applications】Widely used in automotive, mechanics, car garage, workshop, power equipment, cars, trucks, lawn mower, small engine repair and fastening, etc.

Linch Pin w/ Ring (PACK of 10)

7/16 Inch Diameter X 1-3/4 Inch Length, Ring measures 2-Inch OD

Various uses for truck, trailer, truck, linkage, stabilizer

High Carbon Steel Material : These tractor lynch pins are made of high carbon steel， sturdy and durable. It can be applied to various heavy machinery.

Anti-rust and Anti-corrosion:The lynch pin is treated with excellent galvanizing process, the surface is smooth and shiny, it is not easy to rust and corrosion, and can be used for a long time.

Features: Lynch pins with integrated spring retainer, which makes fixing easy and firm.

Diameter: 1/2"

Length: 6-1/4 inches

Material: Steel

Package Included: 20Pcs M3*60 mm length Cotter Pins

Quality: These high-quality trailer hitch pins are zinc plated and constructed to last a lifetime. Manufactured to ensure that long lasting life, so replacements are not needed.

Design: These R clips adopt hairpin design, can fast, safe and effective lock bolt, prevent relative rotation, durable.

No More Disappointment - Nothing is more frustrating than finding out that the nuts and bolts in your wheel-changing box aren’t the right sizes. Not anymore, carry our zinc plated cotter pin and never get stranded with a broken car again

Every Mechanic’s Go-to - Sturdy, durable, and easy to use, cotter pins assortment that comes in a set of 250, with various size combinations making it a staple for every mechanic, RV owner, lawnmower, and biker

Handy & Reliable Locksmiths - While ordinary pins bend and snap; our R-shaped pliable cotter pin not only stands the test but also makes locking the nuts easy, so no more replacements are needed every now and then

Made of high quality Q235 carbon steel, strong and durable.

Using high-quality galvanizing process, the surface is smooth, shiny, not easy to rust, not corroded, and can be used for a long time.

The latch with integrated spring retainer makes the fixation easy and firm.

Pin Size: 1/4" x 1-3/4", Like the third pictures shows (NOT THE CIRCLE DIAMETER); Please choose the correct size according to your needs

Made of high quality carbon steel with yellow zinc plated, resist rust and corrosion

Widely used for cars, trucks, mowers, trailers, ATVs, tractors or other farm equipment

Secure Your Trailer: Our set of 20 heavy-duty safety pins will keep your trailer securely attached to your hitch, so you can tow with confidence.

Multiple Diameters: This set includes 6pcs of 1/4" diameter pins in squared design, 6pcs of 1/4" diameter pins in arched design, 4pcs of 5/16" diameter pins in squared design, and 4pcs of 3/8" diameter pins in arched design, so you'll have the perfect fit for any hitch.

Easy to Use: The semi-flexible spring steel wire latch pin is easy to insert into the corresponding hook slot and locks tightly in place, ensuring that the pin won't loosen or rattle free while in use.

Pin Size: 5/16" x 1-3/4", Like the third pictures shows (NOT THE CIRCLE DIAMETER); Please choose the correct size according to your needs

Made of high quality carbon steel with yellow zinc plated, resist rust and corrosion

Widely used for cars, trucks, mowers, trailers, ATVs, tractors or other farm equipment

【Larger and Thicker】Large Size: 3mm wire diameter, 60mm length.The large size perfect for trailer hitch pins. Thicker than the original pin that came with the hand truck/dolly.

【High Quality 4.8 Carbon Steel】R clips retaining pins are made of high-quality 4.8 carbon steel. Advanced Galvanizing Technology effectively prevents rust and ensure smooth surface without burr. The cotter pins suitable for indoor, outdoor working environment.

【Strong Elastic Hairpin Design】Because of a strict metal composition and consummate casting skill, the hitch pin clips have high hardness and strong spring tension. The pin will not be easily removed when the clip is in place. Furthermore, once these are in place they last. Hairpin design: fast, Safe and effective locking bolt, uniform force, not easy to slip, used to prevent relative travel, will not fall off, easy installation and disassembly, reusable.

The pin has a handle for easy positioning and removal. The linchpin can be attached by the chain to prevent it from being lost.

Use to secure hitches and axles on tractors, wagons, large lawnmowers, and trailers.

Durable steel construction with a yellow zinc dichromate finish for corrosion resistance on all parts.

Hitch pins & Linchpins are reusable

Parts feature a pull ring, making them ideal for applications in which a quick, easy disconnect is often desired

Parts have a high resistance to corrosion

Pin Size: 15/32" x 1-3/4" (12 x 45mm), Like the third pictures shows (NOT THE CIRCLE DIAMETER); Please choose the correct size according to your needs

Made of high quality carbon steel with yellow zinc plated, resist rust and corrosion

Widely used for cars, trucks, mowers, trailers, ATVs, tractors or other farm equipment

SAFETY ENSURED: linch pin with ring is used to retain a trailer hitch or hold a wheel to an axle

USAGE: Tractor pins are for tractors, trailer trucks, trailers, trolleys, lawnmowers, carriages

INCLUDES: Stainless lynch pins assortment kit have 6 pcs for 5/16”x1-3/4”

Package Included: 2pcs M6 X 120mm R clips.

High Quality Material: 4.8 Grade Carbon Steel, anti-corrosion and anti-rust, and reusable, suitable for indoor and outdoor use and humid environment.

Feature: adopt hairpin design, can fast, safe and effective lock bolt, prevent relative rotation, durable.

Safe and convenient. This safety pin features a solid steel pin and spring clip to provide a reliable solution for securing your trailer and more, the spring clip has been extended for easy one-handed operation and a plastic coated tether has been added so you never have to worry about losing your trailer pin

EASY TO USE. The Type D retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible We increased its length for easy operation. With the safety pin inserted in the coupler latch, the Type D retainer easily clips on to the end of the pin

CORROSION-RESISTANT. Protected by a durable zinc-plated finish, this coupler pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time

1. Product Type: lynch pin assortment kit

2. Material: Yellow zinc plated, can resist rust and corrosion

3. Product Feature: Lynch pin rings are spring loaded to ensure a secure hold when installed

* High Quality Material: Made of durable carbon steel, the linchpin is tough and sturdy, not easy to deform or to be corroded, fits for long-term outdoor use.

* Secure Hold: Comes with self-locking rings, these lynch pins are structurally strong, you can snap the ring and pin into axle to tightly secure wheels or hold trailer hitch. Convenient for using and not easy to loosen.

* What You Get: Total 10pcs linchpins with ring. Pin Diameter: 6mm(6/25”), Pin Length: 45mm(1-25/32").

Dimension - Pin diameter: 1/4 inch, Pin length: 4 inch long,10 pcs.

[Premium Material] - Made from 316 heavy duty stainless carbon steel and the zinc plated layer,this trailer coupler pin set has a strong and durable load carrying capacity.

[Rust & Corrosion Free] - Our wire lock pin for the trailer hitch is protected by a double layer of zinc plating to provide excellent resistance to rust and corrosion for longer service life.

ULTIMATE CONVENIENCE: The Pin Wiz Trailer Hitch Clip incorporates a rubber grip, to save your knuckles when you remove your hitch pin

CORROSION RESISTANT: There's nothing more frustrating than your cotter pin corroding in the hitch pin. With a premium zinc-coated hitch pin clip, these frustrations are a thing of the past

MAXIMUM COMPATIBILITY: The Pin Wiz Trailer Hitch Clip was designed to work with a wide range of hitch pin diameters including 5/8", 1/2", and 3/4". The clip is 3/16" thick and 2 1/4" long

Linchpin

<b>Price For:</b> Each <b>Basic Material</b>: Steel <b>Material Grade</b>: 1038 and 4140 <b>Finish</b>: Yellow Zinc <b>Length</b>: 4-3/8 <b>Package Quantity</b>: 1 <b>Item</b>: Hitch Pin <b>Overall Length</b>: - <b>Usable Length</b>: 4 <b>Pin Item</b>: Hitch Pin <b>Shank Size (In.)</b>: 3/8 <b>Fastener Finish</b>: Zinc <b>Meets/Exceeds</b>: - <b>Pin Dia.</b>: 3/8 <b>Includes</b>: Hairpin <b>Type</b>: Standard <b>Material</b>: 1038/4140 Steel

<b>Country of Origin (subject to change)</b>: Multiple

Quick Release Pin for bimini top, boat tops and support poles, deck hinge etc

Diameter 0.236"(6mm), Usable Length 5-3/4"(146mm), Overall Length 6.3"(160mm)

All parts are made of Marine grade 316 stainless steel, Excellent seawater corrosion resistance and durable

【What Will You Get】: 2 x linchpins with ring. Dimensions: Pin Length: 32mm (1-1/4"), Pin Diameter: 4.5mm (3/16"), Ring Size Outer Diameter: 38mm (1-1/2"), Ring Size Inner Diameter: 32mm ( 1-1/4"). Safety pins fit 4.5mm (3/16") diameter holes. Please choose the size that suits you before purchasing.

【Unique Design】: The tractor lynch pins has a self-locking ring design, and it has a spring retainer, which ensures a firm and stable installation, sturdy structure, easy to use, easy to use and not easy to loosen.

【High-Quality Materials】: Our Heavy Duty Lynch Pins are made of durable stainless steel with a smooth and shiny surface. Anti-rust and corrosion-resistant, durable, not easy to deform, can be used for a long time.

Pipe Linch Pin (PACK of 10)

Metric: 6 mm Diameter X 40 mm Length

Standard: Approx. 1/4 in Diameter X 1-5/8 in Length

🥇 1, What You Get ------ This cotter pin assortment contains 110Pcs 7 sizes of cotter pins hairpin R clips pins, Including 110Pcs cotter pins R clips pins. That meets all your needs for any mechanical, automotive, or small engine repair. High quality 304 Stainless Steel, rust and corrosion resistant, durable and steady not easy to break.

🥇 2, 110Pcs Cotter Pins R Shape Pins ------ Insert the R shape pin into hole directly or bend the open tips to secure in place. It can lock the bolt fast and effectively, giving fast and secure hold for bolts, easy to install and remove. Made of premium quality heavy duty 304 Stainless Steel ensures a very long life of use in any workshop, no need to replace these.

🥇 3, Product Feature ------ The cotter pin with hair pin style design gives fast and secure hold for bolts and pins, specialty locks to ensure tight hold that will last long, Heavy duty material allows for durability while hair pin style design gives fast and secure hold for bolts to ensure stability.

Material and Quantity: Made from high quality carbon steel material, zinc plated and 10 pieces in a set in silver.

Rust & Corresion Resistant: Made from high quality carbon steel material, zinc plated, durable and sturdy, suitable for outdoor long-term use.

Secure Hold: These spring locking pins are structurally strong and reasonably constructed, which are very convenient to use and wil not loosen during use.