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Reply by mafe

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Posted on What is the use of a skew bench chisel?

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mafe

11741 posts in 3231 days


#1 posted 09-19-2011 11:49 AM

Hi Topa,

The skewed blade makes you able to make a sliding movement through the cut.
When your cut normally you hit the surface with the full width of the chisel at once and push throught the fibers. With the skewed you hit the cut with the skewed angle and then slice your way through.
This is especially super effective on endgrain. When you use it bevel down you also increase the angle of attac compared to how you hold it.

They can also be used for cleaning out dovetails and other, but for that purpose I would buy a fishtail chisel instead.

I made a set my self of old chisels you can see here:
http://lumberjocks.com/projects/45520

The beauty of the skews is that they can be used in applications (apart from d/t sockets) where a normal straight ground chisel may cause significant tear out. F’rinstance, I use them a lot to shape the ends of exposed tenons before smoothing and rounding…the slicing cut doesn’t tear the grain whereas a cut with a standard LN chisel might – Rob

http://investigationsblog.wordpress.com/2010/06/07/plane-skew-angles/

Ok that should be enough.
Good luck,
Mads

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.


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