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Stainless Steel Threaded Inserts(Helical Inserts｜DIN 8140)

Helical inserts are coiled wire thread reinforcement components manufactured according to the DIN 8140 standard. They are commonly used to repair damaged internal threads or enhance thread strength. Once installed, the insert forms a new internal thread surface, preventing loosening or stripping, and improving the overall reliability of the assembled product.

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不鏽鋼螺紋護套結構示意，具彈性捲繞設計，可旋入螺孔內修復損壞內螺牙並提升咬合力

Product Features

  • Standard Compliance: Conforms to DIN 8140, suitable for most metal thread repair applications

  • Installation: Screwed into pre-tapped holes to form a new internal thread; compatible with standard installation tools

  • Performance: Restores damaged threads and strengthens joint integrity; allows repeated assembly without loosening

  • Material Options:
    ‣ 18-8 Stainless Steel (equivalent to SUS304)｜Excellent corrosion resistance and elasticity

  • Size Range: M2 to M20 (Custom thread pitches available upon request)

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 Applications

  • Mold thread repair

  • Reinforcing threads in aluminum or copper components

  • Structural reinforcement in electronics and machine tools

  • Maintenance and repair of automotive and motorcycle parts

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Customization & Notes

  • Installation tools and guidance available

  • Custom materials and sizes available on request

  • Bulk orders eligible for special pricing and rapid lead times

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Reference Standards

  • DIN 8140

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