Larger chisel for a mortising machine

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29 posts in 497 days

345 days ago

I have a JET bench top mortising machine model JBM-5 that has a 1/2” chisel as it’s largest chisel. I have been looking for a 3/4” chisel that would fit my machine, the only one I have found that is available is made by CMT (part #543.190.51). Has anyone used one in this model machine? CMT technical support was no help, they just referred me to the spec. sheet and left it at that.

5 replies so far

Loren home \| projects \| blog 4868 posts in 1813 days #1 posted 345 days ago	Did you read the Amazon review? It seems it won’t fit a machine that takes less than a 3/4” shank.
tsdahc home \| projects \| blog 68 posts in 517 days #2 posted 345 days ago	If you decide to try it out let me know. I too have been looking for a larger one for my jet to make cutting the mortises easier for my workbench build
bbjjj home \| projects \| blog 29 posts in 497 days #3 posted 345 days ago	The JET JBM-5 uses either a 5/8” or a 3/4” shank, but the review on Amazon stated it did not work on the JET machine??
Loren home \| projects \| blog 4868 posts in 1813 days #4 posted 345 days ago	Looks like you’ll have to order one and see if it fits. You can return it if it doesn’t.
biggeorge50 home \| projects \| blog 10 posts in 357 days #5 posted 344 days ago	Lee Valley offers a 3/4” bit. I think the shank is also 3/4”.

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Larger chisel for a mortising machine

5 replies so far

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Power Tools, Hardware and Accessories
Are you unsure of which tools, or hardware, you need, or which brands to buy? Investing in tools and hardware can be ...

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If you are selling your work, then you have entered a woodworking dimension with added complexity and stress. If you...

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