Stanley NO. 50 plane w/ a 3/16″ plough bit

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    I am having a heck of a time trying to figure this out. I’m trying to use a 3/16″ bit in my Stanley NO. 50 but it won’t get tight into the nock where it’s supposed to sit and I’m not sure what to do. Any advise would be greatly appreciated. Thanks!


    Mike Goodwin

    The 50 came with a screw to hold the smallest blades ( J in the attached ). You will need that. you can find Stanleys instructions here:

    mark leatherland

    Hi Mike, your reply was useful to me as i was in the same boat a gabe. So thanks for that.

    I’ve sourced the screw and chip deflector that i was missing.

    I cant see how the chip deflector works and having tried the 3/16 cutter secured with the screw im not getting successful results with it like i do with the 1/4″ cutter. Its tearing and the shaving is way too thick.

    Even though I start with a fine set i think the cutter is flexing and digging deeper with it not being supported as well as the larger cutters with the sliding section clamping it for most of the cutter length

    Would you happen to know if there is something that im missing here. I cant see if the chip deflector would help or how it fits. Any help would be appreciated.




    Sorry for the late reply… but better late then never.

    That chip reflector is only needed when using the tongue cutter as the second skate isn’t used.

    Try find a copy of the user manual online.

    The flexing is possibly because the 3/16 cutter is a bit bent or the cutter isn’t fully seated on the sloped bed.
    On mine the cutters all have some front/back play (for lack of better word) so I have to make sure to install the cutters flat on the back side against the ‘frog’ or that sloped bed. If you can see light while peeking after the cutter through the side of the plane, that’s where your problem is…

    That and some extra tension on that screw (I use pliers, GENTLY) should do the trick….

    Btw my 50 hardly ever leaves its box, it’s really hard to use it for all advertised tasks it can do. That’s why you can find many complete hardly used ones. I only use it for beading nowadays.

    The record ploughs are a joy by contrast!

    HTH Diego

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