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Does the Makita Router have an option for 3/8" collets?

If so, or if there is an adapter to increase the size, please let me know. Having to use 1/4” shank milling tools seriously limits the tooling options available, 3/8” would be better.


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2 Answers

The router itself only has a 1/4'“ option.

I believe that even if you could find a 1/4” to 3/8” adapter, it would not be recommended. (It sounds quite dangerous to be honest. Because you want something larger than the router, it would need a mechanism to hold it closed in a way that is perfectly balanced because you’re spinning it at up to 30k RPM and strong enough to hold tools being driven into other materials.)

Depending on how keen you are, you could replace the Makita router with a completely different one, fitting it into housing tube the same diameter as the Makita. Keep in mind that to find a compact, 3/8” drive router you may have to consider a water-cooling with the complexity that entails.

The boxzy is a great machine, but when you start wanting to work on larger pieces and with larger tools, it might be time to consider building a bigger machine. I can’t work out how to drive a 4th axis in the confines of the very compact chassis so I’m using the boxzy (and an awful lot of t-slot extrusion) to build a bigger machine.

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Thanks, I am aware of what I am asking for and all of the implications of it, which is why I'm asking the question instead of trying to retrofit something into it. This is less about the size of the work piece and more about available tooling options. The options at 1/4" are very limited, mostly just endmills, and I would like to use dovetails and t-slot cutters, which I have only been able to find in 3/8" and up. Also, the speed would probably be in the lower range of the router capacity since I plan on primarily using this with aluminum stock, so your belief that it would be 'dangerous' would only apply if I was dumb enough to overtax the tool.


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Here is a link to all the custom collets available for the Makita. They sell up to 8mm, but no 3/8” Im aware of.

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Aaron will be eternally grateful.
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