# Crucial half and half axle

**URL:** https://forums.yoyoexpert.com/t/crucial-half-and-half-axle/344871
**Category:** Yo-Yo Mods and Maintenance
**Created:** [September 18, 2021, 2:46pm UTC](https://forums.yoyoexpert.com/t/crucial-half-and-half-axle/344871 "2021-09-18T14:46:41Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![amorphy](https://avatars.discourse-cdn.com/v4/letter/a/9de0a6/32.png) [@amorphy](https://forums.yoyoexpert.com/u/amorphy)
#### Post date: [September 18, 2021, 2:46pm UTC](https://forums.yoyoexpert.com/t/crucial-half-and-half-axle/344871/1 "2021-09-18T14:46:41Z")

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Does anyone know of an axle replacement that will work for a crucial half and half? Lost the original axle years ago and would like to throw with it again sometime soon.

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### Author: ![jhb8426](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jhb8426/32/631_2.png) [@jhb8426](https://forums.yoyoexpert.com/u/jhb8426)
#### Post date: [September 19, 2021, 6:50pm UTC](https://forums.yoyoexpert.com/t/crucial-half-and-half-axle/344871/2 "2021-09-19T18:50:22Z")

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Take it to the hardware store and find a set screw that fits.  
For starters try:

- metric 4mm x .7mm pitch screw, length to fit.
- U.S. 8x32 or 6x32 screw, length to fit.

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### Author: ![amorphy](https://avatars.discourse-cdn.com/v4/letter/a/9de0a6/32.png) [@amorphy](https://forums.yoyoexpert.com/u/amorphy)
#### Post date: [September 21, 2021, 10:59pm UTC](https://forums.yoyoexpert.com/t/crucial-half-and-half-axle/344871/3 "2021-09-21T22:59:49Z")

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For anyone who might have this same issue, the 4mm diameter - 7mm pitch - 25mm length axle worked! Also put in an iYoyo x CLYW pixel bearing and it plays pretty smoothly.