Do Cheap Diamond Knife Sharpening Stones Actually Work?
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- Опубліковано 6 кві 2020
- How well do the cheapest diamond sharpening stones work? Will the sharpen any knife?
Stones in video amzn.to/2UTkWfY
Today I try out the cheapest sharpening stones on amazon. I sharpen everything form 1084 steel - cpm-m4 super steel. Will these sharpening stones make the cut??😉
My website⬇️
www.knifepointgear.com
About⬇️
Hi, Im Alex, im a knife maker and UA-camr, based out of southern Pennsylvania and my youtube channel is Outdoors55. This channel started as an outdoor backpacking channel, but quickly grew into a knife/ knife making channel. Everything I do on my channel is family friendly. I primarily focus on knife / knife making videos but occasionally throw in something different. Thank you for watching!😀
#knifemaking #knife #knifemaker #outdoors55
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Heres the stones being tested amzn.to/34lvKGH
Heres what id save up for instead amzn.to/2x2OVch
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Hello, I've seen and admired your work for a while now, honestly dont know how long I've even been a subscriber but I've always wanted to buy a knife from you, was still in high school when I stumbled across your channel so I didn't have a job (parents wouldn't let me). Now I feel comfortable possibly forking out the money for something completely custom over even on of your designs. Is there anyway to directly contact you?
Not sure if I’m right, but I’d imagine at that price the diamonds aren’t electroplated. A lot of the cheaper stones will bond the diamond with an epoxy that will let you pull the diamonds free as you sharpen.
Andrew Sabatino that would be a fine reply if those were DMT stones. $10 for a 3 pack and they are all coarse grit even if they say fine. I doubt these are DMT. The mono crystal just refers to how many cutting surfaces the diamond has. Mono being one cutting side where a poly crystal uses in cheaper stones are irregular and prone to fracturing and becoming finer the longer you use it. It could be the case that they used a poly structure and actually applied it in a good fashion like electroplating and they just broke down or they were made at a factory that Harbor Freight uses were they will skim the plate with epoxy and dust it with the diamonds to bond.
Hey Alex watched your Ultimate knife video, you talked about skeletonized knives. Wanted to ask, Could there be scales on the skeletonized knife and the scales were also skeletonized?
Actually, I do own their cousins without holes.
They come handy for sharpening mesed up screwdrivers or touching up a mower's blade, even a nicked axe. They're also in my woodworking chest, i'm gonna be hated here, but 95% of my woodworking is done with chisels and planes sharpened on a 200/400 and stropped just till the burr escapes. That's more than enough for my needs and when I have to go higher I do it.
I'm French, people here tend to prefer grits too coarse than too fine. In the end of the day you can wear the coarse one to decent fine, quicker than you'd reshape on the too fine one...
Diamonds don't hold but considering their bite I just cycle them the coarse becoming the medium then the fine.
But hell, they're not flat!
It's so refreshing to hear someone say ' thy're $10 stones, what do you expect? and not slag them off them for not being top of the line professional tools
Sure well now you can get a set of $10 diamond sharpening stones that are quite decent from Temu... all through the power of slavery
@@stephenallen4635 slavery???
I can imagine him grinding the M4 blade: "What the... Is this even hardened? Is this even steel?"
One doesn't simply grind m4...m4 grinds you...😆
@@OUTDOORS55 Hi, love your channel, can you please make a video about Edge Trailing Strokes vs Edge Leading Strokes in Sharpening
@@OUTDOORS55 feet reveal?
Is this even wood???
The real question is, is it even wood?
I use the exact same cheap-o diamond stones to flatten my worn expensive wet stones. They work quite well for that.
That's what I do too lol
@@pogiewogie You know maybe that is what they are really for? Has to be considering how overly aggressive they are in all grades.
what a good idea
@@generalawareness101 Not just aggresive, like the holes it has def would work as that
@@tydshiin5783 Yep.
I miss Alex. One of my favourite knife making youtubers. Been here for a long time and I was proud to see how his chanel developed. Hope he come back soon with his great videos.
Be back soon!
I literally came checking the comments to see if that guy's alright. 😃
@@shadyops3535 lol me too
@@shadyops3535 same
whats he done cut his hand off ?
Look exactly like Harbor Freight's. Love the music choice. Very cool. Stay safe and make another knife for us.
I got a set from HF out of curiosity... They came all attached to a sturdy rectangular plastic frame and then the whole rectangular prism rests in a tight fitting cup with rubber on the bottom. It seems to eliminate all the slippage you talked about in this video, seems to be similar to the solution you came up with. There were 4 sides, with grits labeled 200,300,400, and 600 (I bet those are about a hundred grit too high), but they still were alright for 12 dollars or so.
I know I actually use those
@@sampfalcon5128 that's the one I use to reprofile blades, then take them over to a Sharp Pebble 1000/6000 wet pair or my knockoff of the Edge Pro Apex to get the actual edge.
What Sampfalcon said.
I use the harbor freight 4 way diamond stone (200, 300, 400, 600) for fixing bad chips or on super full knives just to get a base edge going. I even flatten my stones sometimes with the 200 grit side. They took some practice getting used to the fact that they're pretty thin and not mounted to the plastic very well. So I just have to use my free hand to press them down to make sure they are flat. Minor adjustment to my technique but again, I think they are only good for removing a lot of metal before moving on to my real stones. I can go from the 600 grit straight to my 1000 grit stone or sometimes my chosera 800 only because I love that stone haha
I'm a picture framer and use those very ones to take an edge off clean cut glass
$30 AUD
So basically you use them for unsharpening?
@@mynamesnotimportant6941 Hahahah, well I wouldn't use it on my knives!
I used the same set to clean and straighten the edges of cut ceramic tiles when I refurbed my kitchen and bathroom. They're also good for bringing back old wood chisels as long as you have finer stones to actually sharpen them. I've had mine for years and the only drawback was that the metal and plastic parts came unstuck by themselves. I use them on a flat wood surface and they're fine! Well, not fine fine but coarse fine!
also good for removing cement stains from polished stone
@@johnpowell5433 we always used calcium building bricks to get rid of the sharpness of cut tiles lol
I used a these for years to sharpen my chisels, until I got an expensive set. The results were razor sharp chisels although they were a probably finer grit than the set you tried. The only problem with them is they last a year or two at most if used regularly. You could have attached the plastic to the mdf with double sided tape.
I don't know a single thing about sharpening, but one trick I picked up from luthiers that has served me well in similar situations is to lay some masking tape on each surface, and then superglue the masking tape-covered surfaces together. It's surprisingly strong, particularly in the shear direction, and it can be removed easily without leaving a residue.
Make more vids I’m dying here
Alex, I just want to say thank you. I’m a fairly new knife maker in California and I’ve learned a ton from your videos. Thanks for sharing and being awesome. Keep up the good work.
Dude! Without meaning to sound condescending your videos are such better edited and the humour is absolutely on the mark! Really is wonderful. Thank you for creating some great content.
I got these out of curiosity after watching this video.After a month of reprofiling everything from 1095 to cruwear to m390 I can easily reccommend these.I just set them up in a stone holder and they work perfectly. Afterwards i finish the edge on finer stones once I've got my angle set.
The most interesting thing with these kinds of stones is how long they hold up. I've bought some of them in my day and they seem to barely outlast wet&dry sandpaper. Sharpen about a dozen knives with one of those - the diamond grit will break off and even the "coarse" will start to feel rather velvety and lose it's bite.
they are perfect for flattening my whetstone. glue them on a piece of glass and they will never get out of flat, and they cut whetstone like whetstone are nothing
Good idea
Had these diamond coated plates for few years. Used it for reprofiling blades, removing chips in blades & it works great removing sharp edges from glass. They are not fine enough for sharpening works. I use a water stone for that. Mine still works well after all these years.
Several years ago I got a cheap $12.00 diamond set that was a four-sided block. The finest of the four sides was still very coarse, but since it was a block rather than individual stones they were all perfectly flat. It also came in a plastic case with a removable lid and rubber feet on the bottom which completely solved the problem of how to hold it too. I've never used them much, and I have much better stones now, but for someone looking for a very cheap set of diamond stones it does work. I got it at Sportsman's Guide if I remember correctly.
I have that same diamond plastic stones in Portugal. I use them to reprofile blade in conjunction with a fallkniven DC4 and a strop. It works fine for me. Love your work and ideas!
less than 30 seconds in and im already laughing. *SCRRAAAPEEEE* "that's course" lol ur the best video editor ever man.
I just discovered your site and am now subscribed. Excellent stuff. I bought a set of these as a lark about 10 years ago and have just bought a second set as the first wore out. I sdid the same as you, and glued them to some hardwood scraps. I think they are invaluable, but NOT AS SHARPENING STONES. Rather as files, sandpaper replacements, for deburring, all kinda of stuff. You can sharpen things like garden tools very well, repair and re profile damaged tools, do the initial flattening of a worn oil stone, use on glass and ceramics...On and on. They have many many times paid for themselves. Just stop thinking of them as sharpening stones.
U have rlly good vids that obviously have genuine hard work put in to them thanks there very entertaining.
Always interested in sharpening, it is my Zen thing, apart from the world, but tuned to it.
I bought and used these out of curiosity. In my case besides the issues you described the diamonds just came off. In my opinion if you only have $10, go to an auto store and get some metal sandpaper. Depending on what you want to sharpen, you can get sandpaper in grits to match the task at hand. Sandpaper along with a flat tile or small plate glass or maybe coated mdf (the mdf has issues as it gets wet). is in my opinion can get a sharp edge as good as diamonds but will take a little longer to achieve. That said if you sharpen even a modest amount on a regular basis, sandpaper will turn out to be more costly over the long run than the diamond stones. I sharpen tools mostly so knives may need more precision. Also I've found that the small diamond cards are very effective at sharpening small edged tools i.e. router bits. My strategy at keeping tools sharp is to try to avoid sharpening tool by trying to maintain them sharp by quick tune ups on strop and /or fine high grit. Again just my opinion, you definitely have more experience than I do.
The problem with sandpaper is to sharp ceramic knifes.
i do that at work where i dont have any stones, if ive messed up the blade(im a mechanic so mess blades up doing all sorts of stupid stuff) and need it sharp i chuck something flat with some wet sand paper on it in the vice and can get pretty decent blade with it
a fan from the Netherlands, i like your vids and they helped me a lot in deciding buying some stuff. i like your humor you are really funny man !
I had a set of similar stones on a box shaped arrangement, you turned the box around in the holder to bring up the grit you wanted. Just kept it in my "on site" bag for a quick on site sharpen in case a chisel got damaged, they did the job till I got home and could use my water stone
G'day mate... where have you been?
Looking forward to your next video.
G'day from Brisbane Australia 👋
The most relevant point to test with these products is their longevity . Diamond coated plates have somewhat of a short lifespan , and I expect cheap ones to be even shorter.
Used these on pocket knife for landscaping job I had. Worked great for me.
thank you great review and thank you for teaching me more about knives and sharpening them
I bought mine at harbor freight I hold the fine stone in my hand and use my stainless kitchen knife every few months. I got them for 4$. I am about to spend a couple hundred dollars on sharpening equipment though. But they are better than nothing.
Solid review as always sir! I like your "cheap *item*" reviews!
I have some of these I cut up and bent to different radii, for quickly sanding corners in wood and steel. They work well for stoning some things in a machine shop too, like a tool that's beginning to lose its edge. Also good for knocking edges off of glass.
This is awesome! Something you can get while saving up for something better! Thankyou!
Dude where are you? We all miss your videos.!
To be honest, I think you have given a honest review!
ifell3 that's very honest.
So informative, so filled with humor. I'm new to your channel,and I'm glad I found it. If you ever get to Rhode Island, I'm buying. Thank you.
Super good editing and writing, I'm not into knives at all but you got me watching and learning. Subbed now but, can't wait for your come back!
I have these, a set of cheap water stones, and a strop. Water stones are much finer, and do all the sharpening. The main problem with cheap water stones is they wear unevenly, so I use these stones to flatten the water stones. Overall I have very good results with my cheap products. Not re-profiling knives, just keeping a good edge on my tools.
These are actually nice if you're having to do smoothing work on marble, cement, porcelain structural components or ceramic pours. I used two sets to hand de-surface my house's slab before I did tile work.
Thank you for saving us the pain of having to learn the hard way 👍
I love your channel! I just watched a few vids on knife sharpening materials and techniques. Anyway It would be interesting to see you sharpen on rocks and the pros and cons of doing so. Thanks
In my limited experience I've found that these cheaper diamond plates use a glue or resin to hold the diamonds. Not much different from making diamond sandpaper. The cost of electroplating usually I think would cost more than these low end plates put you into the $25+ per plate neighborhood.
More sharpening myths soon?
I got one for ya: stroping a non-dull blade on your jeans during a break at work will make it sharper.
They sell clean linen strops for straight razors
Hey, stop spying on me
@@BodomFox what?
Lol I do it on my leather work boot and yes I have diamond paste on my boot 😂
Carbon steel does benefit from this, it cleans up the oxidized edge
Thanks for your honest review
Thanks for the video, this is actually a product I've often wondered about. I do reprofile from time to time so it's good to know.
hey man, where are you?
I've been learning a lot from your videos, I really hope you find the time to post new content or even a content-free video ;)
Super busy! Ill be back soon🙂
When you buy a knife in M4 you probably don't have more than 10$ to spend on a sharpening system. 😃
Hahahahaha, my Benchmade Contego is M4
Thanks so much for your presentation.
I love to watch these videos. Buy cheap item and lets see if it works. Great job as always!!
For me they are absolutely perfect! I Use them all the time, cheap, small and pretty versatile! A bargain, and good value! I buy them from 4-7$...
Edit: Mine are the same but much smaller...
Could you give a link for those? I bought one about 15 years ago from some local store, but I can't find replacement for it anywhere. Mine is about 25x100mm and as far as I can remember it's something like 400-600 grit. It has been in my pocket at work all this time and I have salvaged probably hundred knives on jobsites with it. I have managed to even sharpen (or at least debur) some wood drillbits etc. Mine has lost its grit by now and I really need a new one. I have tried couple pocket sized ones from ebay but not yet found anything usable.
I've had really good results from lansky diamond bench plates. They're about $20 a piece and come in a variety of grits. I even use the coarse on my axe. (I have a few including extra fine. I also use them for s110v, maxamet, m390, and a bunch of other steels. They have been great.
What those steels are the top steels how much do they cost?
Gotta love these unboxing vids!
An excellent demonstration. Keep them coming fella. 👍🏻😁🇦🇺
Dude, come back to you audience, we miss you! Hope you’re good!!
He could of just used double-sided tape... or the good ol' super glue and painters tape trick. Just sayin' dude. There are other options!
Well, watched this and got some mini versions of these for $3. Sharpened the kitchen knifes (never used sharpening stones) and I've got to the point where I've wore the course down to smooth metal, bent the medium but the fine is still as new, used them overhanging in a vice. I'm impressed with diamond sharpeners and going to invest in a quality pair. Glad I found this channel since I've learnt a new skill
I have these too, different brand but same stuff. Works ok for re-grinding profiles on old neglected chisels and plane blades. 2 coarser ones lose their diamonds really fast tho, but still not the worst thing I’ve my money put. I also epoxied them on straight surfaces.
Very accurate data!! Well done!! Great job
Agreed have a set in my desk.
New favorite channel!
I had a folding two sided pocket stone just like these...I lost it. It was a sad day. Love these for on the fly field sharpening.
I got these same, or similar, ones from Harbor Freight. The package says the grits are 180, 260, and 360. I actually loved them. I had a couple big blades and a tomahawk that I wanted to reprofile and they made quick work of it. It is like having 2 coarse, and 1 a little less coarse. I finished each one off with a different cheap diamond stone that's 450 on one side and 750 on the other, and that's good enough for me because I like abusing my blades anyways.
Love the channel...especially the music!
They were sold about 10 or so years ago in our Lidl malls in Europe. Sometimes you could get a sort-of-a-brick-holder for them. Still, they've worked fine for few yars sharpening cheap kitchen knives of mine and my friends. The yellow one is nice.
Outstanding video!
Love your vids man! you should do a video entitled 'How to know when youre getting good at sharpening' and go over some things to look out for.. other than the obvious 'your knife is sharp'.
Thanks for sharing.
I have an old set that look just like those. And they are 10+ years old. But I still get good use out of them.
I used CA glue on them, with the base, on to wood just like you did. But that was also to get them off the table. Anyway. Just wanted to say that for the casual reprofiling and nick removal I do they are just the ticket. TY for the video. Entertaining and educational. Have a nice one.
U need more attention to ur channel because u do the most honest work for the rest of us very educational 👍
I absolutely love mine
I use these for my cheap chisels. They also work well in the hand for sharpening scissors. I did have to glue the plates back to the plastic and make a box for them, and after a time the grit does come out. Overall a good purchase, but I'm happier with a more expensive investment.
The coarse is really good for knocking the grooves out of my Tormek's wheel.
Then I go up to the M&F to smooth it out
I have had a set for yrs I use them for rough work and love them I have DMT set for fine work
Double sided tape works well to hold them down on a better backer, such as a piece of granite tile or thick flat wood you checked for flatness. No need remove them from the plastic backer. Just tape them down with double sided carpet tape or whatever strong double sided tape you have laying around. Definitely need a set with finer grits to get your moneys worth, though.
I put mine in a rubber water stone clamp. Easy. They worked great for me too!
I have those stones that I bought at harbor freight. I've had them for a couple of years and I find they do a descent job. I would agree that they are good for re profiling blade and that they are hard to hold down. My idea was to hot glue the backing to a piece of wood and put that in a vise. I have used them for re profiling a chefs knife I have that had a very chipped edge and it worked well but I don't finish with those. For the final edge I use a dmt extra fine steel. I used to use only the dmt steel for maintaining my blades but I found that it would have to be replaced about every six months. I find it best to use a combination of stones and steels depending how much sharpening is required. For the most part my knives can be maintained with a Wusthof steel unless they need more attention.
I have stones like these but about 1/4 size. They're cheap as dirt and work well for my chisels that get abused. I use some nails around it's contour to hold them to a board. Also you didn't have to peel the plastic, you could glue that plastic to your MDF. Lastly, they work better when wet.
Outdoors55, what do you think about a product called "Edge Maker" pre-set sharpening and honing rods affixed to a handle that you lay flat on a flat table then just pass through the rods a few times. Equals very very sharp! What do you think or what do you know about them?
I love the video, I had a Stanley diamond sharpener, I couldn't get it to work, AT ALL, it just dulled all my tools
I got a small one of those diamond plated stones that came with my Smith and Wesson survival knife, I've been using that little sharpener forever, but it is practically smooth now
Sounds like a solid review. I have a set. Mine are glued to scrap faux stone counter top. Fancy. And like your experience cheap but useful.
I bought pack of three mini versions of these diamond sharpener from a pound shop ($1.50 ish). When at home I'll use my whetstones for a faster cleaner edge, but I carry the fine diamond sharpener on me as my edc because it small, light and can get the job done.
Heh! I bought that same set around 6 or 7 years ago. My solution to the "slipperiness" problem was to chisel out a 2x4 so that they'd fit in nice and snug and just deep enough that the steel part was just above the 2x4 surface. Worked like a charm. However, I never really liked them and haven't ever used them. Maybe a couple times. Still, was interesting to see/hear your take on them.
Also, yeah, DMT is great. I love their stuff. Just need MOAR of it! 😃
I also have quite a few other stones and sharpening equipment. I've been drooling over a TSPROF for a few years now. Not sure when I'll pull the trigger and get one.
good idea to mount them on blocks
Thanks, speaking of re-profiling, would love a howto video on that.
I bought those for flattening my whetstones. Works pretty well. For their price.
you got very cool photography skills
I just keep these around my shop for really rough general stuff -- sharpening garden shears, taking burrs off the shank of a drill bit so they sit straight in the chuck. Good for stuff like that.
i've been using mine that i got for free from a friend and been using it for the rough finish for the last year and i been using titanium for the most of the time. it works for me
excellent! I was just looking for an extra cheap extra coarse diamond stone to grind in bevels on my hss planer blade knife😁
Three years on from your upload. I was interested in your opinion (I have one of these sharpeners for my throwaway tools). It is refreshing that you are not a snob, and despite their obvious shortfalls, you give a fair and balanced review. Excellent work.
I decided to sort comments by "Newest first", and you have my sympathy. I got down to a year's worth and most of them deserve a STFU. The idiots offering tangential advice should really go off-grid. (That's my opinion).
Great video. Thanks.
OUTDOORS55 thank you so much for the lessons you give, I am a novice at best and I'm able to sharpen my s110v manic 2 lightweight on a 4$ stone and home made strop and I can make it shave!!
I had a set of these for 5 years. Only just replaced them and they were used about every few weeks
I got a set of thses for yard tools. Like shovel blades, lawn mower blades and "golf club" weed wackers. I dont bother to clean the mud off the tool blades and just hold the diamond plate in my hand like a file. No worries if I loose one or break it
Hey man, it's been awhile. Hope you're doing well. Just wanted to say hi and im excited for your next video 👌
I have those, i liked the yellow coarse one, it lasted about 3 years and i still start sharpening with it because it's the only one that is effective compared to something else i have! I considered ordering a new coarse stone but I am afraid the diamonds dull fastly. Then i considered buying the shapton coarse stone but i don't know. I want kind of really coarse to start with and then i just move on to whetstones. On the other hand the dmt stone and atoma would be nice because they are straight and you can flatten your whetstones with them more nicer. Great video I really appreciate your efforts to educate people I learned sharpening again in 2017 when i watched your channel and it is still something i like a lot. Gretings from Finland!
I used mine to resurface my gater belts on my 2x72 belt grinder woks great 👍
Great review.
I used them, found them to be pretty good for the price
i had these same type of diamond stones in the block form with 4 different grits stones on each side so they were easier to handle out the box, reason i had them was from a xmas stocking filler.
i recently made a short sword from an old taxi spring.
the use i had for the diamond block was just after i ground the main bevel which was 10 cm wide on each edge i used it to block out the 50 grit scratches to the claimed 600 grit side working the way through all for grits on the block.
so for re/profiling they are good in the block form which is around $20.
i have a couple of the flat ones in this vid and yeah you will need to remount them.
i'm currently making the pommel for the sword mentioned i doubt very much i will use the diamond stones to sharpen the cutting bevel as i do have a sharpening jig for that.
so if anyone is considering these for a budget i'd say get the block with 4 stones, maybe you could pick one up as they as cheap and see if the 4th side is smoother than the lowest one you had or they missed out one of the middle ones.
Hi, love your channel, can you please make a video about Edge Trailing Strokes vs Edge Leading Strokes in Sharpening