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GB/T 879.4/DIN7343/ISO8750 Spring-type Parallel Pins – Coiled, Standard Duty

GB/T 879.4 / DIN7343 / ISO8750 spring-type parallel pins (coiled, standard duty) are high-precision fasteners used for positioning and securing machine components. The coiled design provides moderate elasticity, allowing the pin to evenly withstand shear forces within the hole while ensuring secure installation and durability. Widely used in machinery manufacturing, automotive, electronics, and industrial equipment.

Size Range: Diameter Φ0.8 mm – Φ20 mm, length customizable
Standards: GB/T 879.4 / DIN7343 / ISO8750
Tolerance: In compliance with standards, ensuring reliable assembly and interchangeability

Available Materials: Carbon steel (65Mn), Stainless steel (SS304/SS316)

Options: Black oxide, Dacromet, Zinc plating (blue/white, yellow), Nickelplating, etc.

How to Use & Applications

How to use: Insert the pin by hammering or pressing into a machined hole, using the coiled elasticity for secure positioning. Easy to install without additional fasteners.
Applications:

1. Mechanical component positioning
2. Industrial automation equipment
3. Automotive transmission and assembly
4. Electronic device structural positioning

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Established in 2003, Ruiqin Standard Parts integrates R&D, Production and Export in the Industry of Washers & Fasteners, including Self-locking Washers, Belleville Washers, Serrated Washers and Retaining Rings for Automotive and Machinery Applications.