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Hardware pins are essential components for connecting various electronic devices and circuits. Whether you're a hobbyist building a custom project or a professional integrating systems, selecting the right type of pin ensures reliable performance and easy assembly. Understanding key features will help you make an informed purchase.
Sufficient quantity:You will receive 120pcs cotter pins and packed in the exquisite plastic box,including M1.6x25-30pcs, M2.5x25-30pcs, M2.5x30-20pcs, M3.2x30-20pcs, M3.2x40-10pcs, M4x60-10pcs
Material: Our cotter pins are made of premium 304 stainless steel, ensuring durability and long-lasting performance. (304 stainless steel belongs to austenitic stainless steel. Austenite is partially or slightly transformed into martensite during cold...
Assortment of Sizes: This cotter pin set includes 6 different sizes, providing versatility and meeting various needs for securing bolts and pins in mechanical applications.
Smooth Surface: The cotter pins feature a smooth surface finish, minimizing the risk of snags or damage to the surrounding components.
Material: Made of premium 304 stainless steel, with smooth surface and no burr, it has good corrosion resistance, rust resistance, stability and durability
Product features: The cotter pin can be directly inserted into the hole to quickly and safely fix all kinds of nuts and bolts, which can prevent the relative rotation of nuts and bolts and is easy to install and disassemble
Convenient & practical: Cotter Pin Assortment Kit is packed in a reusable box with easy-to-read size labels, which is easy to carry and manage and can meet your different needs
Widely used: Widely used for fixing bolts and pins, such as automobile machinery, lawn mower, machinery, workshop, truck, small engine repair and so on
Sufficient quantity: You will receive 132pcs clevis pins assortment kit, including 40Pcs 9 sizes single hole clevis pins,46Pcs 3 sizes cotter pins, 46Pcs 3 sizes hair pins,total 132Pcs,meet your daily needs
Endurance Construction: The cotter pin and hair pin are made of 304 stainless steel, which is rust-proof, corrosion-resistant.The clevis pin is made of carbon steel with smooth surface, no burr and excellent workmanship
Precision Engineered: The smooth surface and meticulous craftsmanship of our cotter pins ensure that there are no burrs, providing a secure fit for your applications and enhancing overall performance
Organized Storage: Each clevis pin assortment kit comes packaged in a transparent, sealed storage box, allowing for easy transport and organization while a color-coded label offers quick size identification, saving you precious time on the job
PREMIUM QUALITY: The LRVOJUY cotter pin assortment kit is made of high-quality 304 stainless steel, which is strictly polished and has a smooth burr-free surface, to ensure that the product is durable and won't rust or corrode even after long-term use.
SIMPLICTY AND RELIABILITY: Cotter pins provide excellent performance, easy removal, and installation. Cotter pins are structurally stable and provide reliable connection and fastening features.
CONVENIENT STORAGE: Cotter pins are sorted and sorted in a sturdy, organized storage box with easy-to-read size markings. The cotter pin assortment includes both small cotter pins and large cotter pins.
WIDELY USED: Cotter pins are widely used in machinery, automobiles, lawn mowers, trailers, hitch pin lock systems, trucks, tractor, bolts, marine & handmade DIY.
【Durable Material】Pegs for shelves made of high quality zinc alloy and polished nickel,good quality and durable for long using life,surface is smooth without metal burrs,can meet your daily shelving needs.
【Size Detail】Shelf support pegs can fits all cabinets with 5mm and 1/4 Inch holes.Bracket style shelf support size: 6.35 mm/ 1/4 inch in diameter,pin length is 8 mm/ 0.30 inch,13 mm/ 0.51" in width; Flat spoon shelf holders pegs size:5 mm/0.20" in...
【Wide Applications】Bookshelf pegs for shelves install easily by hand,you can use them for cabinet, bookshelf, display cabinet, furniture, wardrobe, closet, cupboard, bookcase, pantry shelving, meet your daily needs.(Note: Small cabinet shelf...
Heavy duty pin assortment kit for tractors, trailers, trucks, Towing Mowing, Farm Equipment, Snow Plows, Lawnmowers, Garage, 3 points, PTOs and parts. Kit includes Square PTO pins, Lynch pins and Cotter pins (Hairpin)
Strong metal with great value.Zinc plated steel pins for rust and corrosion resistance. Suitable for outdoor long-term use
These pins have a wide range of usage and can be used for all kinds of equipment such as trucks, trailers, tractors, mowers, PTO, farm equipment, cars, camper vans, lawn and garden equipment, and more. They can replace weak trailer ball pins, dolly pins...
Double Side Hardware Organizers with Removable Plastic Dividers, heavy duty, portable and more space. Makes it easy to find correct item quickly, saves your time of running around looking for a particular size hitch pins
【Sturdy and Versatile】- Our cotter pin assortment kit includes 5 different sizes of spring fasteners that are designed to withstand heavy-duty use. Whether you need to secure a trailer hitch, clamp down on your lawnmower, or reinforce the hardware on...
【Secure Locking Mechanism】- The innovative design of our cotter pins ensures a secure locking mechanism, providing peace of mind when it comes to the safety of your equipment. With their unique shape and sturdy construction, these pins will stay in...
【Easy to Use】- Installing and removing these cotter pins is a breeze. Simply insert the pin through the designated hole, and the spring fastener will automatically lock it in place. When it's time to remove the pin, just release the tension and slide...
【Versatile Application】- Our cotter pins are not limited to a specific industry or use. They can be utilized in a variety of applications, including trailers, clamps, lawn mowers, trucks, and more. Whether you're a professional mechanic or a DIY...
【304 STAINLESS STEEL】：Made from 304 stainless steel for good corrosion resistance and dependable everyday performance in garages, workshops, and outdoor equipment applications. The smooth silver finish is suitable for routine fastening, replacement...
【290 PCS & 24 METRIC SIZES】：Includes 290 split cotter pins in 24 sizes: M1.5×10/16/20/30mm and M2×10/16/20/30mm, 20pcs per size; M2.5×12/16/20/30mm, M3×16/25/35mm, and M4×20/25/35mm, 10pcs per size; M5×25/30/40mm and M6×25/35/45mm, 5pcs per...
【SECURE SPLIT-PIN DESIGN】：Both prongs pass through a compatible cross-drilled hole and can be bent apart to help retain slotted nuts, clevis pins, axles, and shafts. The classic split design provides a simple and dependable locking method for common...
【VERSATILE REPAIR APPLICATIONS】：Suitable for automotive maintenance, trailer and equipment linkages, tractors, lawn mowers, garden equipment, small engines, and general workshop repairs. Check the required wire diameter, pin length, and...
Product Specifications: 3/8 inch (9.21mm) diameter, square style, includes 10 pieces per set
Premium Materials: Made of high quality zinc plated carbon steel material which resists corrosion, durable and sturdy, the safety coupler pin set is suitable for long-term outdoor use
Secure Hold: These spring locking pins are structurally strong and will not loosen during use, providing reliable fastening
Easy To Use: Convenient and easy to operate, secure your coupler latches, jack legs, pintle hooks, gear, trailer loads and more
💯 What You Get: Package includes 5 Sizes Clevis Pins, R Pins and Cotter Pin. A total of 67 pieces, Enough sizes and quantities to meet your needs for fastening automotive, trucks, lawn mower and more.
💯 Various Options: 5 Sizes Clevis Pins for you to choose from, including M5×25, M6×30, M8×40, M10×45, M12×65. 3 sizes Cotter Pins are M2×30, M3×45, M4×50. 3 sizes R Pins are M2×40, M3×60, M4×85. Enough sizes to meet your fastening needs.
💯 High Quality: All the pins are made of high-quality carbon steel, with strong hardness, rust and corrosion resistant, durable and steady not easy to break. Smooth surface, no burrs, will not hurt your hands when used.
💯 A Complete Kit: Our pin fasteners kit includes 3 different styles. A through-hole at the bottom, Clevis Pins are suitable for various locking pins. Hairpin Cotter and R Cotter are given，which give fast and secure hold for bolts to ensure stability.
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Hardware Pins
Pin Type and Compatibility
Consider the intended application. Common types include header pins (male and female), jumper pins, and specialized connectors. Ensure the pin's pitch (distance between pins) and standard (e.g., 2.54mm) match your circuit board or device requirements to avoid physical incompatibility.
Material and Durability
The material affects conductivity and longevity. Brass and copper alloys are common due to their excellent electrical conductivity. Look for pins with plating, such as gold or tin, for enhanced corrosion resistance and solderability, especially in humid or demanding environments.
Form Factor and Mounting
Pins come in various forms, including straight, right-angle, and surface-mount designs. Choose a form factor that suits your assembly method and space constraints. Straight pins are versatile, while right-angle pins are useful for specific board orientations. Surface-mount options are best for automated assembly processes.
Frequently Asked Questions
What is the difference between male and female header pins?
Male header pins have exposed metal pins that insert into corresponding sockets. Female header pins, often called sockets or receptacles, have hollow openings designed to receive male pins, creating a secure connection.
What does 'pin pitch' mean?
Pin pitch refers to the distance between the centers of adjacent pins. It's typically measured in millimeters (mm). A common pitch is 2.54mm, which is equivalent to 0.1 inches, often used in electronics prototyping.
Are gold-plated pins better than tin-plated?
Gold plating offers superior corrosion resistance and conductivity, making it ideal for critical applications or harsh environments. Tin plating is more cost-effective and provides good solderability and reasonable corrosion protection for general-purpose use.
Can I use jumper pins for permanent connections?
Jumper pins are primarily designed for temporary connections, such as configuring circuit board settings. While they can be used for semi-permanent links, they may not offer the same long-term reliability or mechanical strength as dedicated header pins for critical or high-current applications.
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