SPP Spring Pin (JIS B 2808)

The SPP spring pin is a cylindrical locating element manufactured in accordance with JIS B 2808. It features an axially elastic body with a longitudinal slot, allowing it to compress and expand when inserted into a hole, creating reliable frictional holding and alignment.

This product is commonly used for component alignment, temporary fastening, or joining two parts. Known for its easy installation, vibration resistance, and reusability, it is widely applied in various types of industrial machinery and assemblies

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Product Features

• Standard: JIS B 2808

• Structure: Slotted body with elastic wall thickness for strong axial retention

• Installation: Inserted by press-fit or hammering into a mating hole to create elastic interference

• Size range: Suitable for hole diameters from Ø1.5mm to Ø30mm

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Material & Surface Treatment

• S50C (Carbon Steel)
   • High strength, suitable for general industrial use and mass production
   • Surface Treatment: Black oxide coating for improved corrosion and wear resistance
   • Hardness: HRC 40–50

• SUS304 (Stainless Steel)
   • Excellent corrosion resistance, suitable for humid or outdoor applications

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Applications

• Automated assembly lines and shaft-to-part positioning

• Locating pins in jigs and fixtures

• Temporary fixation in electric motors, housings, and automotive components

• Releasable joints in CNC machining or modular parts

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Customization & Notes

• Compatible with both through-hole and blind-hole installations

• Support available for small quantity orders and part number cross-referencing

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Reference Standards

• JIS B 2808

• DIN 1481

• ISO 8752

• ANSI/ASME B18.8.2

• CNS 1247 (Taiwan National Standard)