> For the complete documentation index, see [llms.txt](https://mrwheel-docs.gitbook.io/yappgenerator_en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mrwheel-docs.gitbook.io/yappgenerator_en/connecting-base-and-lid/connecting-base-and-lid-advanced.md).

# Connecting Base and Lid (advanced)

yappSelfThreading

// n(g) = {yappSelfThreading} : Make the insert self threading specify the Screw Diameter in the insertDiameter

<figure><img src="https://832938294-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcI46RW7gXIHinmkl2pBq%2Fuploads%2FW1uGLRX1tBdYY6rbYWnq%2Fimage.png?alt=media&amp;token=564a5d9d-1aba-4fd5-8453-ee684b99d5a5" alt=""><figcaption><p>Self Threading insert on 1,3 2,4 are standard inserts</p></figcaption></figure>