Using Iwasaki Rasps

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Forum topic by TheWoodenOyster posted 04-03-2014 08:10 PM 1184 views 0 times favorited 5 replies Add to Favorites Watch
View TheWoodenOyster's profile


1313 posts in 1902 days

04-03-2014 08:10 PM

Topic tags/keywords: rasp

Hey guys,

I just received some fine and extra fine Iwasaki rasps for my birthday and I am excited to put them to work. I just ran out to the garage to give them a whirl and they are super sharp. So sharp in fact that they felt a little bizarre cutting into the wood. So, I was wondering if any of y’all have any tips or methods on how to use these to get the best out of them. I am sure a lot of it is learned over time by feel, but I would love to hear any techniques you use with them. Also, how do you keep the teeth clean?


-- The Wood Is Your Oyster

5 replies so far

View HorizontalMike's profile


7749 posts in 2881 days

#1 posted 04-03-2014 08:18 PM

I bought the medium fine flat and curved, a couple of years ago. I think they work rather well, however I really should have gotten the fine and extra fine. On hardwoods, like my Honduran Rosewood (think handplane totes), they bite TOO well and make it difficult to work. They do reduce the wood but leave it rough and fuzzy.

Maybe I should go back to WC and get the fine and extra fine as well… Hmm… ;-)

Oh yeah, watch your knuckles! when working small pieces!

-- HorizontalMike -- "Woodpeckers understand..."

View newwoodbutcher's profile


733 posts in 2818 days

#2 posted 04-03-2014 08:34 PM

I bought mine a few years ago. I’ve only used them a few times. They were a bit tricky at first but with practice and a light touch I find them to be great tools.

-- Ken

View TheWoodenOyster's profile


1313 posts in 1902 days

#3 posted 04-03-2014 11:32 PM

Mike – I read some reviews about them before choosing which ones I wanted. Lots of them said that they are insanely aggressive and that Extra Fine and Fine would do anything you needed unless you are hollowing out a canoe. After giving them a quick test run, I definitely agree. Maybe give the extra fine a chance, they are a little less aggressive.

I can’t imagine what medium is like…

-- The Wood Is Your Oyster

View Loren's profile


10276 posts in 3615 days

#4 posted 04-03-2014 11:38 PM

They are a bit tricky… I read somewhere somebody had an opinion
that they get easier to control as they dull a bit.

View distrbd's profile


2252 posts in 2414 days

#5 posted 04-03-2014 11:53 PM

Loren was the one who first introduced me to the Iwasaki files,I bought the 8” Flat File, Xfine, 3/8” wide,it’s the best file I have ever owned,the way it shaves wood is so different from the HD wood files and it hardly clogs up.excellent file.

-- Ken from Ontario, Canada

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