Best Hitch Locking Pins in 2026

[APPLICATION]: The wire formed pins are used as a pin locking device to hold pins or castle nuts in place in automotive, axles, trailer hitch and tractors, and are highly versatile fasteners.

[PREMIUM QUALITY]: Each high-quality pin is constructed with zinc plated steel that stands the test of time, and ensures that replacements are not needed for your fastening jobs.

[EXTREMELY DURABLE]: The heavy duty material allows for durability while the hair pin style design gives a fast and secure hold for bolts to ensure stability.

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

【Value Pins】 You will get 5 pieces of M4*75mm pins, M2.8*5mm pins, M2.5*50mm pins, M2*45mm pins, M1.8*35mm pins, 1.2*21mm pins respectively. Save you more money!

【Elasticity & Hardness】 Our high quality pins are made of heavy duty carbon steel. Good elasticity, high hardness, good wear resistance, smooth surface, no burr. Strong and durable. Can be used for years without replacement.

【Waterproof & Rustproof】Corrosion and rust resistant, galvanized coating. Suitable for indoor and outdoor use and wet environment. Will not rust even after years of use.

【25/64" Diameter】: This safety coupler pin is 2-3/4" (70mm) long and 25/64" (10mm) in diameter, usable length is 2-1/4"(60mm), suitable for quick release applications in variety situations.

【Rust & Corrosion Resistant】: Made of high-quality spring carbon steel material with zinc coating, the hitch pin is rust and corrosion resistant, very durable and sturdy, fits for outdoor long-term use.

【Secure Hold】: These heavy duty safety pin are structurally strong, they are quality fasteners with strong load carrying capacity, fit for varieties of home and industrial locking applications and will hard to loosen during use.

【HIGH MATERIAL HITCH PINS】: Our Hairpin Cotter Pins are made of heavy duty alloy steel plated with zinc for excellent anti-rust and corrosion resistance. The hair pin is durable, smooth surface and burr-free that ensures a long service life in any use place. The hairpin design secures the bolt quickly for stability.

【BEST COMBINATION COTTER PIN】: IEAWISL Cotter pin assortment kit consists of 6 different sizes- 1/16 x 1, 3/40 x 1-3/16, 1/10 x 1-1/2, 1/8 x 2, 11/80 x 3, 4/25 x 3. These sizes can meet your needs for almost any mechanical, automotive or small engine repair, and becomes a necessity for mechanics, caravan owner, lawnmower, and biker.

【TOP QUALITY & CONVENIENT BOX】: We want you to receive a perfect set of cotter pin assortment kit and products that don't get mixed up, so we've reinforced and thickened the inside and outside of the box. Therefore, you don't need to worry about the damage or mess of the case. We put a beautiful label on each box for you to quickly identify and store the cotter pins.

【75 Pcs in 8 Sizes】There are 8 sizes in the cotter clip assortment kit. The five hitch pin size are respectively M1x17(15Pcs),M12x21(15Pcs),M1.6x28(15Pcs),M1.8*32(10Pcs), M1.8x35(5Pcs),2x30(5Pcs),M2.5x45(5Pcs),M3*50(5Pcs). Hair Pin set contains wide range of sizes M1-M3, Rich size to meet the needs of different uses.

【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 and high temperature, high salinity 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.

【38 Pcs in 5 Sizes】There are 5 sizes in the black zinc-plating cotter clip assortment kit. The five hitch pin size are respectively M1.2x21(10pcs), M1.8x32(10pcs), M2x40(10pcs), M2.5x45(4pcs), M3x60(4pcs). Hair Pin set contains wide range of sizes M1.2-M3, Rich size to meet the needs of different uses.

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

【Larger and Thicker】Large Size: 5mm wire diameter, 100mm length.The large size perfect for trailer hitch pins. Thicker than the original pin that came with the hand truck/dolly.

【High Quality Stainless Steel】R clips retaining pins are made of high quality 304 stainless steel. Good elasticity, smooth surface without burr. no burr, rugged and durable.High hardness, rust resistance, stainless steel material, suitable for indoor, outdoor and high temperature, high salinity 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.

SBDs Quick Release Pin Tensile (3/8" Dia - 3-3/4" Locking Space) Universal World Class Weight Stack SELECTOR Key - w/Jumbo 1-3/4" Dia Round Designer KNOB |Detent Hitch PINS | Chrome PL Steel Shaft

Selector Pins for Gym Equipment

Universal Quick Acting Fastening Applications.

Hitch Pin Offering Strong Load Carrying Capacity and Impact Resistance,Rust Resistant.

SAFE DESIGN :The in-line hitch pins in place of hitch pin clip or other fasteners . is not easy to fall after fixing the hitch pins, which enhances the safety of the trailer during the towing process.

Is used to tow cargo, cranes, ships, buses, cars, trucks, ATV and other heavy items. It is widely used in construction, mechanical hardware, chemical engineering, shipbuilding industry, automobile industry, sports equipment, etc.

* 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").

【Multi-Functional Trailer Pins】: 8mm(5/16 inch) diameter and 44.5mm(1-3/4 inch) length. Total 10 pieces wire lock pins one pack. Generally used as connect pins to fix attachments in farms, lawns and gardens, trailer hitch receivers and other locking applications. Also used for trailer couplers, trailer jack wheel, pintle hook,etc.

【Special-Designed Coupler Pins】: Long ear spring retainer clip ensures the pin will not popping out and makes one-hand operation available. All you need to do is inserting the pin into the clip. | Arch retainer wire clip provides a quick latch and added clearance. Easy to use and does not break or bend.

【Quality-Material-Made Wire Lock Pin】: Solid steel pin offers strong strength and good stability. | Attached with a 10.55 inch long stainless steel wire and quick release ring for better connection.

Premium Material: All R cotter pins are made of excellent stainless steel material, which is rust and corrosion resistant, not easy to break, stable, sturdy and durable for long time use.

Easy to Use: The R-shaped spring cotter pins can be inserted directly into the hole to quickly and effectively lock the bolt. These cotter pins and hairpins hold the bolts firmly in place.

Easy to Store: Our R split cotter pins come with a plastic box to store all the split pins. Each size cotter pin has a small compartment to ensure different types of cotter pins don't get mixed up.

1. Made from tempered medium carbon alloy steel<br/><P/>. <br/><P/>

2. Easy to use and apply,Finish Zinc Plated <br/><P/>

3. Used for retaining clevis pins and many other uses on farm equipment, trucks, and industrial equipment where positive locking is important <br/><P/>

Multipurpose Heavy Duty Marine Lynch Pin Fastener Stainless Steel Linch Pin with Ring Clips for Boat, Bike, Tractor <BR/> <p/>

Made of Marine grade 316 stainless steel, corrosion resistance and durable .<BR/> <p/>

Economical pins , can be applied in both military and commercial equipment.<BR/> <p/>

[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.