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Your cart is empty.There's a good chance if you've heard of Uo-Chikyu (also known as Hiroshima Files) you either own some of their files or want to. Their reputation for making precision files used for slotting nuts and filing frets is unsurpassed among luthiers. We carry a wide selection of individual Nut Files. This is the costsaving and convenient set of eight. Sizes include 0.010", 0.013", 0.017", 0.024", 0.032", 0.036", 0.046" and 0.056". Made in Japan.
Desert Hopper
Reviewed in the United States on January 28, 2024
First time cutting a nut. Worked out really nice. Per Fender spec achieved .018-.020 string height to 1st fret no bind no buzz. Per other reviews....File material seems to be steel on all files. Magnet attracts most files in the pack ( except the .010). The finish and material of the .010 seems consistant with the rest so should also be steel. The large files seem to have proper radius... too hard to tell on the smaller ones.
John Toner
Reviewed in the United States on January 10, 2023
I've been a luthier for 39 years. In those years I have worked out of several guitar shops that specialized in guitar building and repair, including being authorized repair stations for leading guitar manufacturers. I was also Master Builder, Repair Manager, and Customer Service Manager for a well known Guitar Manufacturer in Fullerton, CA. For many of those years I've used Hosco and Stewart McDonald tools. One day I forgot my file box at one of my other shops and borrowed my friend's set of nut files. They were an older set of Uo-Chikyu files. They cut really well and quickly. This made me realize that my smaller Hosco files were getting dull and I needed to replace them.I ordered this set of Grizzly Uo-Chikyu files. When I got them, the cutting edges felt great and the files looked really nice. However, after only a few months of using them, I noticed they no longer cut quickly and the cutting edges felt smooth where they were used. I finally went back to my older files. Keep in mind that I only used these files on bone, Micarta, and graphite nuts; never on brass, aluminum, or steel. I question if these files are actually Japanese manufactured or if they were made in China.The big StewMac files with the big handles, were comfortable and still cut well, albeit they were a little clunky.The large Hosco handle files still cut well, but looking at them, you could see the cutting-edges were slightly off center, which would affect your string spacing because they would start cutting the slot at an angle as you got deeper into the nut. You had to pay close attention and adjust the tilt of your file to compensate for the off-center orientation. That's why I preferred the thin files over the thick handle ones. (I didn't like the way the thin Hoscos with the small, thin red handle would poke the center of your palm. I gave those away.)I ended up buying at set of DiamondCut Nut Slotting Files from StewMac. They're expensive, but with their guarantee, they'll replace them if they get worn or broken. I can buy them with confidence. I will buy quality over thrift anytime.If you're a hobbyist that only occasionally tweaks your own guitars, these files should be adequate. However, they will not stand up to the heavy use or wear that a professional requires from his or her tools.
Hiro-Al-Fred
Reviewed in the United States on March 6, 2022
TLDR; got something different, betterI got something different . . . but its better. In an age where the usual response is to barely scratch by and give the minimalist item for that price point (welcome to current US capitalism, but that's a talk for another time)The one's in the picture are Uo Chickyu files with the fish and arrow on it. Japanese made.The ones I got are 11, yes it does go up to 11 this time. ANd the brand is hosco (from Japan). The ones I have smaller sections (narrow taper) to hold . I found a 3 set with plastic like knife like handles installed, and those run 79 for just 3.PRetty good and the packing is nice, plus it comes with a screw tube case.The quality is japanese so these files are on point. I could keep this long an detailed how good J stuff regarding tools is . . . but you can go read all the thousands of how good japanese cutlery, tools, traditional few man workshop, 2000+ folds of Nippon carbon steel, how great their archery and bow construction etc . . . how driftwood luthier guy loves his japanese wood saw that can cut thru harded el cheapo acoustic lam back an sides . . .The caveat, not even a con was the surprise and looking things up to double check if something was wrong cuz the files weren't in the picture. Also the files are made of quality steel but they are small and thin (for sitar nut action) and if s troll / sasquach / chewbacca wasn't careful, and used this for other purpose (like prying open stuff) than intended, could break 'emRemember just a few passes and check yo' nuts.Nice.
D.P.Enderby
Reviewed in the United States on January 29, 2021
I got about 40 years and tens of thousands of slots out of my old set. They still work fine, but these cut so much more quickly that I'm going to bequeath the old set to an apprentice. Excellent workmanship and very close, accurate gauging. My new faves!
P Watson
Reviewed in the United States on February 29, 2020
I used these on a bone nut for my Tele. It was VERY easy and turned out great (no strings binding, good tone and sustain). The nut was already pre-cut. I just had to file them to the correct depth. These are good and sharp, and cut with ease. They won't break if you take care and go easy. They feel like good quality files. I don't cut nuts too often so these should last a very long time. I had previously tried using the cheap wire type files which were worthless. If you do your own setup work I highly recommend. Don't waste time with the cheaper stuff.
Brent A.
Reviewed in Canada on November 21, 2017
Excellent set of quality nut files!!!
Radu from London
Reviewed in Canada on July 15, 2016
I am a beginner when it comes to doing "guitar work" and ordered this set to start getting some experience in cutting some nice nuts. Good experience, my first try was a success for an acoustic guitar (a cheap one) and a cheap blank. Working now on a second (electric guitar) one and using a Graph Tech blank...I like the feel of these files, they seem to give me very good control when cutting the slots and for the price you can't go wrong with them...I recommend them even to more advanced even pro luthiers!
Greg
Reviewed in Canada on July 15, 2016
Good quality files. I was finally able to properly adjust the nuts of my guitars to accommodate the heavier gauge strings that I use.
JOSE
Reviewed in Canada on February 13, 2016
Perfect for working on the nuts
Morningmusic
Reviewed in Canada on November 8, 2016
Very precise files, and very delicate. Kit should come with some kind of instruction of how to use them.
Rina
Reviewed in the United States on December 29, 2014
These files are actually Japanese made and are the Uo-Chikyu ones. Fantastic quality. These things do the job so well it's easy to file too much off the nut.This file set has made guitar setups at home a breeze. I own more than 10 guitars, electrics, acoustics and even classicals. Being able to dial in the string height at the nut is important to me. The thinner ones are very fragile and need some care when handling, haven't broken any of them but I easily could. Sort of pricey, I remember these file sets were $10 or $20 cheaper a couple of years ago on another retailer's site but these are the best prices I could find currently.
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