Best Steel Linchpins in 2026

【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.

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

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.

🥇 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 & 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.