Thread: 55 Wagon Progress

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Ryan, these were Rotacut hole cutters by Hougen, look at MSC Industrial or similar as a source. The arbor uses a spring loaded center, 1/8 diameter for the smaller sizes and 1/4 for the larger, IIRC. We typically extend the center and use set screw to lock it stationary, then use the cutter with a pre-drilled hole to accommodate the center pin. We've found this more precise than the spring loaded functionality slipping out of a punched divot.


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Missed the locating pin part, do a search on blind hole spotters. Most Industrial suppliers carry them, you can get a complete set with about 6 ea size, but I believe Spellman makes the "originals"


http://www.rlspellmanmfg.com/spellma...leSpotters.htm


https://www.mcmaster.com/#3414a11/=1b59vyf