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Cable Gland Thread Enlarging Adapters M16 - M40 3D Printer File Image 1
Cable Gland Thread Enlarging Adapters M16 - M40 3D Printer File Thumbnail 1

Cable Gland Thread Enlarging Adapters M16 - M40

JP_3D avatarJP_3D

June 28, 2026

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Description

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A set of metric cable gland enlarging adapters inspired by OBO style fittings. These adapters allow you to increase the thread size while maintaining a clean and professional installation without the need of drilling and optionally tapping a bigger hole. Another use case of these is when bringing in an armored cable. These are thicker and usually don't fit a M20 gland. In this case a M20 to M25 can be used with a cable that is stripped just past the M25 gland. 

 

Included sizes:

  • M16 → M20
  • M20 → M25
  • M25 → M32
  • M32 → M40
  • Ask me for more sizes! 

Designed for 3D printing without supports. Perfect for electrical enclosures, junction boxes and DIY projects.

License:

Standard Digital File License

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