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內牙定位銷

Internally Threaded Dowel Pins

Internally threaded dowel pins are precision alignment pins with chamfered ends and internal threads on one or both sides. They are designed for applications requiring screw-assisted installation or removal, or where pre-positioned threaded holes are needed.

In addition to providing standard locating and stopping functions, these pins are ideal for assemblies that require frequent disassembly or secure fastening.

​Product Features

  • Internally threaded design for screw fastening, positioning, or removal

  • Double-end chamfer for easy insertion and alignment

  • Available in single-end or double-end thread configurations

  • Ideal for high-precision assemblies that require secure fastening with bolts or screws

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Material & Surface Treatment

  • S45C (Medium Carbon Steel)
    • Hardness: HRC 36–42
    • High strength and machinability; suitable for heavy-load positioning and mechanical assemblies

  • SUS304 (Stainless Steel)
    • Excellent corrosion resistance
    • Ideal for use in electronics, medical devices, automation systems, or outdoor environments

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 Size Range

  • Outer diameter: Ø3mm – Ø25mm

  • Thread size: M2 – M12 (custom designs available)

  • Length: 3mm – 100mm, with support for non-standard sizes

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Applications

  • Guide pins for precision jigs and mold structures

  • Repeatedly removable components in automated machinery

  • Locating pins with threaded holes in mechanical assemblies

  • Alignment elements in bearing seats or connector housings

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Interchangeable Standards & Custom Options

  • This product is compatible with major specifications such as MISUMI and McMaster-Carr (e.g., THDP, IDP series).
    We offer support for custom sizes, material selection, tolerance specifications, and double-end threaded designs.
    Feel free to provide a part number or technical drawing for matching and quotation.

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