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.

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

Diameter: 3/16 inch

Length: 3-3/4 inches

Material: steel

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.

* 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").

<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

🥇 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.

IT FROM XUQCAH MATERIAL AND FOIMOJSK PARTMENT AND Thurder LOVER

Material: 316 Stainless Steel

Durable for Replacement hardware pins kit

Accessories for kayak, canoe, boat, dinghy trolley trailer

Material & Quality: High quality trailer hitch pins are constructed of zinc plated steel, zinc plated steel allows for durability and is corrosion resistant while its hair pin style design ensures fast and secure hold for bolts for greater stability.It has a long service life, durable and steady not easy to break, ensuring replacements are not needed.

Reasonably Packaged Value Products: Hairpin Clip combines 6 most popular sizes(42pcs 3/32"X 1-3/16" 30pcs 5/64"X1-5/16" 25pcs 5/64"X1-9/16" 25pcs 7/64"X1-5/8" 20pcs 9/64"X1-3/4" 8pcs 5/32"X2-15/16" ), which can satisfy your different needs, 150pcs R Clips are enough for multiple choices.Convenient see-through resealable storage case packs all material together for portability, organization, and makes it easy to identify size markings which means you can easily find the cotter pin you need.

Easy to Use: High quality hair pin cotter pin hitch pin assortment kit easy to fit and remove. R clips design can quickly and safely fix the bolts and pins, so that your work never shrinks. Insert the R shape pin into hole directly and it can lock the bolt fast and effectively. It gives fast and secure hold for bolts, easy to install and remove.

[1]: APPLY TO - Various uses for house construction, furniture fastening, truck, trailer, truck, linkage, stabilizer or farm, lawn and garden, trailer hitch receivers, and other applications.

[2]: SPECIFICATION - Pins size: 45mm/1.77"(L)x10mm/0.39"(T); Ring outer diameter: 51mm/2.0"; Ring inner diameter: 44mm/1.73"; Ring thickness: 2.5mm/0.1"

[3]: DESIGN - Comes with self-locking rings, these linchpins are strong, you can snap the ring and pin it into the axle to tightly secure wheels or hold the trailer hitch. Convenient for using and not easy to loosen.

The R clip fixing pin is made of high-quality 4.8 carbon steel. Good elasticity, high hardness, good wear resistance, smooth surface, no burr. Strong and durable.

The fixed spring hook opening pin adopts advanced galvanized technology to effectively prevent rust, ensure that the surface is smooth and burring-free, and is suitable for indoor, outdoor and humid working environments.

The spring fixed steel wire hair clip adopts a hairpin design, which can quickly, safely and effectively lock the bolts to prevent relative rotation. It is easy to install and remove, and can be reused.

Size Information: this quick release pin has a total length of about 3.15 inches/ 80 mm, an effective length of about 2.76 inches/ 70 mm, and a diameter of about 0.25 inches, the right size can meet your needs

Reliable Material: workout safety pin is made of stainless steel, with galvanized surface and stable structure, strong and wear resistant, not easy to deform

Wide Application: hardware pins can be applied for bimini tops, boat roofs, support poles, deck hinges, car tailgates, masts on sailboats, etc., to meet various needs