Just aquired a close to new Freud FT1700 router I plan on using on a small table. Unfortunately the collet seems to be a 6mm, searching I've come up empty doesn't matter if it's a half or quarter inch, anybody have one they don't need and want to sell or a good place to look, I've looked at lots of places and am coming up empty. It's a nice router for an extra, limited use table it was discontinued a few years ago.
Keep trying, when Bosch took over the Freud blade/bit business they (apparently) also agreed to support the US Freud tools. So you can get parts from Bosch. The number is 630-705-7810, and the collets are (1/2") 13602.7431; for 1/4" it's 13602.7435. I suggest you get an extra nut or 2, and the part number for that is 13603.7411. Some side notes in case that fails: these collets/nut also fit the larger Freud router, the 2000 series. The collets also are interchangeable with certain Dewalt collets...the ones that fit the 625 router. (868116-01; 1/2"). In the pic below, I thnk the Freud collet is on the left (this one is 3/8", a really handy size for me) and the Dewalt collet is on the right. Whichever one is versus the other, it is a Freud next to a Dewalt. Lastly, the part numbers I provided were from old sources and they sometimes change, but you should be able to find the crossover number if that's the case. But I have 2 Freud routers (an FT2000, and the 1700) and all the stuff described worked well for me (including a call to Bosch for parts).
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Pretty sure you can use that info and go to EBay to find it to. Then compare prices.
Riverdog, did you find the collet you need? Just curious.