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30+ Years Experienced Fastener factory committed 0 PPM for production

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Characteristics of Pins and Springs:
Pins are cylindrical objects typically used to fasten or align components together.
They come in various sizes and shapes, including dowel pins, taper pins, and spring pins.
Pins can be solid or hollow, straight or tapered, depending on their intended application.
They provide precise alignment and secure fastening while allowing for easy disassembly when needed.
Pins are commonly made from materials such as steel, stainless steel, brass, or aluminum.
Springs:
Springs are elastic objects that store mechanical energy when subjected to external forces and release it when the force is removed.
They come in different forms, including compression springs, extension springs, and torsion springs.
Springs provide resistance against force, absorb shock or vibration, and maintain tension or compression in assemblies.
Springs are manufactured from materials like steel, stainless steel, alloy steel, and various alloys with specific spring properties.
Production Process:
Both pins and springs are typically manufactured through precision machining or forming processes.
Pins: The production process may involve machining from solid bar stock, Cutting, Machining, forging, extrusion , or injection molding for plastic pins.Special pins may involve precision machining, grinding, or EDM (Electrical Discharge Machining) for complex geometries or tight tolerances.
Springs: Spring manufacturing processes include coiling, winding, or stamping from spring wire or strip material.Special springs may require advanced coiling or forming techniques, including CNC (Computer Numerical Control) coiling or wire EDM, to achieve unique shapes or properties.
Precision:
Both pins and springs require high precision to meet dimensional tolerances and functional requirements.
Precision machining, forming, and inspection techniques ensure accurate dimensions and consistent performance.
The products we produce can reach ±0.01, 0 PPM quality yield rate
Product Hardness:
Hardness of pins and springs varies based on material selection and manufacturing processes.
Pins may undergo heat treatment to achieve desired hardness for wear resistance.
Springs may have specific hardness requirements to ensure proper elasticity and fatigue resistance.
Materials:
Pins and springs can be made from a variety of materials depending on application requirements.
Common materials include carbon steel, stainless steel, alloy steel, brass, aluminum, and various engineering plastics for pins.
Spring materials include high-carbon steel, stainless steel, alloy steel, and non-ferrous alloys like phosphor bronze or beryllium copper.
Usage Scenarios:
Pins: Used in automotive, aerospace, machinery, and consumer goods for assembly, alignment, and fastening purposes.
Springs: Widely employed in automotive, aerospace, electronics, and industrial applications for shock absorption, tension, compression, or torque transmission.
Production Process for Special Parts:
For special pins and springs, customized manufacturing processes may be employed based on specific design requirements.

CHE offer OEM & ODM & Customized services to customer, which included cold heading, CNC processing center, wire cutting, powder metallurgy processing and assembly of metal parts with plastic parts.We have industry leading quality inspection equipment such as 3D scanner, Ultrasonic Flaw Detector etc  

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Tel: +86-186 0769 4667

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RM302, No.4 building Lizhou industrial Park, Shangshanqi, Zhushan District, Dongcheng Town, Dongguan City, China
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