# Threaded inserts 

**URL:** <https://forums.yoyoexpert.com/t/threaded-inserts/22877>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [January 16, 2011, 5:11am UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877 "2011-01-16T05:11:06Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![willysol](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/willysol/32/722_2.png) [@willysol](https://forums.yoyoexpert.com/u/willysol)\
**Post date:** [January 16, 2011, 5:11am UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/1 "2011-01-16T05:11:06Z")

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Would like to turn yo yos on a lathe. Can inserts and axles be purchased for c bearings?

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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:** [January 16, 2011, 6:17am UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/2 "2011-01-16T06:17:03Z")

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Don’t know about current designs, but that’s how all of the YoYoJam models were made. Threaded brass insert in the hub with a 6x32 set screw for the axle. The bearing size does not in itself determine the axle size. Dif-e-yos use a C bearing and used to use a 1/4x20 set screw for the axle. The newer ones use a #10 set screw. Not sure of the thread size.

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**Author:** ![Batryn](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/batryn/32/78_2.png) [@Batryn](https://forums.yoyoexpert.com/u/Batryn)\
**Post date:** [January 16, 2011, 6:20am UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/3 "2011-01-16T06:20:20Z")

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And you can buy an SPR kit…

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**Author:** ![willysol](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/willysol/32/722_2.png) [@willysol](https://forums.yoyoexpert.com/u/willysol)\
**Post date:** [January 16, 2011, 1:48pm UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/4 "2011-01-16T13:48:47Z")

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Where can I buy an SPR kit??

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**Author:** ![quinton](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/quinton/32/376_2.png) [@quinton](https://forums.yoyoexpert.com/u/quinton)\
**Post date:** [January 16, 2011, 6:19pm UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/5 "2011-01-16T18:19:55Z")

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Send RiceRocket a PM, it seems like he has an endless supply. He could tell you where to get one/

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**Author:** ![anonyo](https://avatars.discourse-cdn.com/v4/letter/a/8baadc/32.png) [@anonyo](https://forums.yoyoexpert.com/u/anonyo)\
**Post date:** [January 16, 2011, 8:26pm UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/6 "2011-01-16T20:26:00Z")

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Pretty sure he makes his.

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**Author:** ![quinton](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/quinton/32/376_2.png) [@quinton](https://forums.yoyoexpert.com/u/quinton)\
**Post date:** [January 16, 2011, 8:32pm UTC](https://forums.yoyoexpert.com/t/threaded-inserts/22877/7 "2011-01-16T20:32:58Z")

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Then contact RiceRocket to buy from him.