# X-50 ball nut screw size

**URL:** https://forum.onefinitycnc.com/t/x-50-ball-nut-screw-size/28020
**Category:** Troubleshooting (X35/X50)
**Created:** [July 26, 2024, 4:24pm UTC](https://forum.onefinitycnc.com/t/x-50-ball-nut-screw-size/28020 "2024-07-26T16:24:42Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)
#### Post date: [July 26, 2024, 4:50pm UTC](https://forum.onefinitycnc.com/t/x-50-ball-nut-screw-size/28020/2 "2024-07-26T16:50:21Z")

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> [@Common Bolt / Screw Types on the Onefinity](https://forum.onefinitycnc.com/t/common-bolt-screw-types-on-the-onefinity/3057):
>
> X Rail 8 Bolts holding down the X Rail to Y gantry blocks : m6 x 22mm long Y Rail to QCW 16 bolts holding the Y feet to the QCW blocks: m6 x 22mm long Stiffy 2 M5-0.8 x 16mm (ends) 2 M6-1.0 x 14mm (gantry) 2 M6x6 7380-10.9 (short) Z Slider Z-16 4 bolts holding the z slider to X gantry: m5 low head x 12mm long 2 bolts squeezing the mount together : M5 x 30mm Z Slider Z-20 4 bolts holding the z slider to X gantry: M5 socket head x 20 Tramming Bolts m5 low head x 12mm long (same bolts…

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