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Chisels for Powermatic 701 Hollow Chisel Mortiser

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Forum topic by rockindavan posted 389 days ago 900 views 0 times favorited 5 replies Add to Favorites Watch
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rockindavan

283 posts in 1137 days


389 days ago

I’m planning to buy the 701 Powermatic mortiser and I need to get a set of chisels to get me started. Is there any specific bits that will/won’t work. I though I read somewhere that it requires long shank, but I’m not sure.

I plan on getting the economy Lee Valley hollow chisels, but I would like to know that they will work. In the future I will plan on getting better ones, but need a cheap set to get me going.

Any other recommendations in the $15-20/ chisel range?


5 replies so far

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ChuckC

673 posts in 1436 days


#1 posted 389 days ago

I just bought this mortiser. It comes with 2 bushings so you can use 5/8” or 3/4” chisels. I went with Powermatic chisels. They are pricey but worth the money.

View runswithscissors's profile

runswithscissors

756 posts in 526 days


#2 posted 389 days ago

I use the chisels that came with my Delta mortiser, which I suspect are not premium quality. But they work okay, and much better when sharpened and lubed. The lube (wax, or “Dry Lube”) is to help overcome friction when retracting the chisel. Helps also on the cut stroke. There is a cone shaped sanding tool that fits on a rubber cone shaped mandrel that is good for sharpening. Don’t know the brand, but Harbor Freight in Bellingham carries them. Only takes a minute or two with the cone sander chucked in a cordless drill. Then lap carefully to remove any burrs on the corners (you don’t want to change the profile). Because perfectly centering the mortise is always problematic, I run the stock through a second time after swapping ends on the board. Then cut the tenons to fit. Some people say you shouldn’t run the board twice, on the theory that the chisel will flex when only shaving one side of the mortise. But I have not found that to be a problem. Those chisels are very stiff.

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runswithscissors

756 posts in 526 days


#3 posted 389 days ago

Oops! I goofed. Did not get my cone shaped sanding drum at HF, but at Hardware Sales in Bellingham. Next time I’m in there I’ll check the brand.

View Loren's profile

Loren

6755 posts in 2148 days


#4 posted 389 days ago

I have a lot of chisels that came with my Powermatic 719
when I bought it from a church that made their own
furniture when they expanded. I have more than I need.
I can sell you some. They are used but in good shape.

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RJ2

62 posts in 2286 days


#5 posted 365 days ago

downsizing my shop , and might have to be parting with my Powermatic Model 10 , it has a 5/8 chisel bushing, I lost and would like to find a place to purchase a 3/4 ” chisel bushing, since most of my chisels are that size. s

-- RJ, Tampa Fl, RJMETALWOODS.COM

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