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Forum topic by TheDane posted 11-23-2010 05:31 PM 1067 views 0 times favorited 5 replies Add to Favorites Watch
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TheDane

4997 posts in 3131 days


11-23-2010 05:31 PM

Topic tags/keywords: question mortiser hollow chisels

I’m looking for recommendations for replacement hollow chisels and augers for my JBM-5 mortiser.

The original set has gotten a lot of use and abuse, and though I lap the chisels and sharpen them with the Rockler cones, they just don’t hold an edge any more. I’m thinking of donating them to the local tech school (mine aren’t exactly top drawer, theirs are really crap).

I see Grizzly has a set of 4, but at $36.95, how good could they be?

I’m looking for a decent quality set and would appreciate any suggestions. They just need to fit the Jet JBM-5 (3/8” chuck capacity / 5/8” & 3/4” chisel shank capacity)

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"


5 replies so far

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Mark Shymanski

5314 posts in 3180 days


#1 posted 12-05-2010 06:18 AM

I wonder why they aren’t holding an edge anymore…could they have been sharpened beyond the hardened area? I’ve often wondered if you can actually grind past the usable area on a cutting tool…perhaps you’ve evidence that this is true.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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TheDane

4997 posts in 3131 days


#2 posted 12-05-2010 05:19 PM

That’s possible … I do sharpen them before each use.

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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romanf

20 posts in 2724 days


#3 posted 12-07-2010 04:27 AM

I have found the best hollow chisels are made by an English outfit called Clico. They are not cheap but hold an edge for a long time, and sharpen up quickly. Sometimes they come up for auction on Ebay. Available at Wood Zone among others.
www.woodzone.com/woodwork/DBA/mortise_chisel.htm

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TheDane

4997 posts in 3131 days


#4 posted 12-07-2010 06:30 AM

@romanf—Thanks! They are a bit pricey, but if the quality is up to the same standard as the chisels and plane irons I have that were made in Sheffield, England, they are probably worth it .

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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romanf

20 posts in 2724 days


#5 posted 12-07-2010 07:11 PM

I do believe they are owned by Clifton who makes some awesome quality planes…..

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