Little machine shop used to sell one, but it has not been in stock for many moons. I bought the D.B. Customs rotary broach that LMS sold, but they went out of business last year. There are some on Ebay as low as $99.00 now. There is also a kit available to make one:
Have you looked into making your own holder settup in the home shop? I have this project on the "to do" list and have looked at a few different types and think i will end up making a "wobble" style as they dont seem to be very challenging to make and they work well if the cutter is ground properly.
I have been very lucky in my dealings with Chinese suppliers and so have my friends. Certain things to keep in mind are that English is a second or even a totally foreign language to many but that said most companies today have staff that were educated overseas and who are fluent in several languages. You need to asks LOTS of questions and be absolutely certain that there in no misunderstanding as to what is wanted and expected.
As with everything you get what you pay for as in super cheap is normally not good but I have found some incredible deals such as cancelled orders, overrun on production etc. The Chinese can and do make some of the best machinery in the world often under license to German and Swiss companies with ridged quality control. Ask many questions and ask for pictures and be prepared to contact a dozen or more companies in your search.
Also some times they price indications on sites like Alibaba are not even close for example something labelled USD$1500 might be a mistake and it should be USD$15 or someone was lazy and just posted one price on multiple products.
Latinrascalrg1suggested making one and that is a good option.
I recently watched a YouTube vid on making a wobble broach. It actually looked fairly easy to do, He did show the plans in the vid so all you need to do is to pause and print screen to get a copy. Now I have to go back and see if I can find it.
Since I do not have heat treat capability I was considering using the method from the vid to build my own holder and buy the cutters from the manufacturer. I have not got around to drawing up a set of plans yet.
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