I just got the hexes in, 3 days from CA to IL. They have the slightest bit of play in them just like I hoped. They definitely made these for this type of axle. But the pins it came with are too small. Get some m2.5x17. It has pin holes for m2 & m2.5.
https://www.ebay.com/itm/4-Adapters-1-10-Car-Axle-to-1-8-Wheels-17mm-Hex-Hub-FSEN-NXT/182971107385?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649
The quality is tier 1, superior cut & finish.
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Hey question for you. I just bought these exact 17mm hex’s that you purchased and installed them today. I wanted to upgrade from the 14mm to 17mm hex just so I’d have more options when it came to tires. So I got them installed and I have a lot of play in them. I can push the tire in and out as well as wiggle size to side. Any ideas how to resolve that. I’m still using the stock axles as well if that helps.