High-strength axis not fit. VEX design or manufacture faulty?

I recently want to use high-strength axis with 12t metal pinion, But they just can’t fit. It is way too tight to insert high-strength axis into 12t metal pinion. I try several different high-strength axis and12t metal pinion. None of them can fit each other Anyone has a similar issue. Am I just bad luck to get the faulty ones.

The picures show how far I can insert high-strength axis unless I use hammer.

IMG_20191109_151331 IMG_20191109_151432

Is the axle marred or damaged in any way? You might want to try sanding down the edge or side of the axle a bit.

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no, everything is brand new. I have four new HS-axis and 12 new metal pinions. None of them fit each other.

This would be my suggestion

https://www.youtube.com/watch?v=G9Ij7UI0iAA&feature=youtu.be

:sweat_smile:

that is funny

We are seeing serious tolerance problems with the standard axles. Some are .005" larger which causes similar problems. In short, get out your belt sander…

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