Clevis Pin with Single Hole Shaft Collection

NOTE  System required me to upload a single 3mF with 12 plates - each one diameter and for each diameter multiple lengths. I am working on a better way to present the files. 

This collection provides a comprehensive set of clevis pins designed for general mechanical fastening, alignment, and retention applications where a secure but removable shaft connection is required. A clevis pin is a round shaft fastener with an integral head on one end and a transverse hole on the opposite end to accept a retaining device such as a hair pin cotter or straight cotter pin. These pins are commonly used in linkages, pivots, hinges, yokes, mechanical assemblies, equipment connections, and alignment applications where components must remain securely joined while still allowing easy disassembly. 

This set includes clevis pins with shaft diameters ranging from 3/16 inch to 1 inch in 1/16 inch increments. Each shaft diameter is provided in nine shaft lengths ranging from 0.75 inch to 3.00 inches, providing broad coverage for a wide range of mechanical and fabrication needs. Each model was designed entirely by me, and they are not derived from any existing model. These were developed specifically to address the lack of widely available clevis pins in a complete and properly scaled size range suitable for practical light mechanical use.

Every pin includes a transverse hole sized to accept appropriately matched hair pin cotters or straight cotter pins. These retainers are inserted through the hole at the end of the shaft after installation to prevent unintentional removal while still allowing quick and simple disassembly when needed. As shaft diameter increases, the retaining hole diameter also increases proportionally to accommodate the larger cotter pins required for proper retention and mechanical reliability. 

These models were successfully printed in PLA, Carbon Fiber PLA, and Carbon Fiber PETG filaments with excellent dimensional accuracy and functional performance. They may also be printed in higher-strength engineering materials such as ABS, ASA, Polycarbonate (PC), and Nylon for improved durability and strength, although those materials were not specifically test-printed as part of this release. Note that for some fibers the transverse hole may not print perfectly round. They can be drilled out as needed.

I used a dense file model to provide significant strength. Adjusting fill can substantially weaken the pin. Since these are filament based, your strength will vary. You can select a single pin and develop a horizontal printing position using a support filament that does not adhere strongly for a stronger shaft since the layer lies along the length of the shaft and not the width.

WARNING: These 3D printed clevis pins are functional mechanical fasteners but do not provide the same strength, durability, wear resistance, or safety margin as metal clevis pins manufactured from steel, zinc-plated steel, carbon steel, stainless steel, or aluminum. Printed pins should not be used in critical load bearing, safety-critical, overhead lifting, automotive, structural, or high-stress applications where failure could result in injury, damage, or loss. Always evaluate the suitability of printed fasteners for your specific application and use appropriate engineering materials and safety factors. For most load bearing and critical applications, properly rated metal fasteners should always be used. These are very useful for models and many light duty uses.