# What are these threaded holes for?

**URL:** <https://forum.onefinitycnc.com/t/what-are-these-threaded-holes-for/28943>\
**Category:** Uncategorized\
**Created:** [October 12, 2024, 2:15am UTC](https://forum.onefinitycnc.com/t/what-are-these-threaded-holes-for/28943 "2024-10-12T02:15:45Z")\
**Posts on this page:** 1\
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**Author:** ![349iq2345](https://avatars.discourse-cdn.com/v4/letter/3/bb73d2/32.png) [@349iq2345](https://forum.onefinitycnc.com/u/349iq2345)\
**Post date:** [October 12, 2024, 2:40am UTC](https://forum.onefinitycnc.com/t/what-are-these-threaded-holes-for/28943/4 "2024-10-12T02:40:07Z")

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there is additional thread on top of the grub screw, so you could add some srew, e.g. you can attach your trigger for a retrofitted inductive limits sensor here.

> [@Masso G3 based build F360 pics and 1F photos](https://forum.onefinitycnc.com/t/masso-g3-based-build-f360-pics-and-1f-photos/7107/1):
>
> ![IMG_1045](https://us1.discourse-cdn.com/flex022/uploads/onefinitycnc/original/3X/e/c/ec600bb410029cc10495535fb3e5a133f4f51fe6.jpeg)

or some oil hose holder…

> [@Masso G3 ATC build update - tool rack cover, manual oiler, and warm up program](https://forum.onefinitycnc.com/t/masso-g3-atc-build-update-tool-rack-cover-manual-oiler-and-warm-up-program/14720/1):
>
> ![IMG_20220814_1703575](https://us1.discourse-cdn.com/flex022/uploads/onefinitycnc/original/3X/a/3/a38fbbd7561a5dda84194d373739c17a57b3e0a6.jpeg)

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