About diamond stones - Woodworking Talk - Woodworkers Forum

 
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post #1 of 6 Old 10-01-2016, 10:03 AM Thread Starter
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About diamond stones

I've bought several 2x6 inch diamond stones for sharpening and their relatively cheap. You can buy them, double sided for about $8 all day long on ebay. When you try to go to an 8 inch stone of the very same material the price jumps from 8 bucks to about 80 bucks for 2 more inches? Can anybody explain why this is other than the fact that they can? It seems, and perhaps I'm just shopping in the wrong place that an 8 inch stone shouldn't be THAT much more expensive to produce than a 6 inch stone.
Someone tell me this is just me and I'm just not looking in the right places.

I figured it's time to change my signature so hold your breath. This is it.
Impressive, huh?
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post #2 of 6 Old 10-06-2016, 02:03 PM
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It's likely that the quality is jumping significantly from the 6" to the 8". Many of the really cheap brands are either not well made, or not made to be durable, or not made for "fine" work. They'll likely do for sharpening things that don't need to be perfectly flat, but may not work well for, say, a paring chisel, where it really does matter if the edge is straight.

Personally, I'd recommend either DMT (which I use, and have been quite pleased with) or Eze-Lap, which are used by at least a few people I trust to get things right. Neither brand is what you'd call cheap, with 2"x6" stones running from $25-39, depending on manufacturer, coarseness, and current sales. Something like this set is a pretty good starting place, although I now kind of wish I'd started with the 8" plates. A DMT Duo-Sharp 8" with fine and extra fine on their base, plus an extra-coarse/coarse plate without the base would probably be a really good way to go. That set should handle nearly everything, and comes in around $130 on Amazon at the moment. I'm sure Eze-Lap has similar setups, but I don't have those bookmarked.
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post #3 of 6 Old 10-07-2016, 01:36 AM Thread Starter
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Yeah..DMT is kind of on my wishlist.
You're probably right on the quality. I recently purchased a 6x2 double sided stone on ebay for around $6 and within the first day one of the layers separated from the base material so I slapped some epoxy on it and it's probably no longer flat.
I just went through about $500 this past few weeks for a lathe, compressor, rip fence and a nailer plus some other odds and ends so I pretty much shot my budget for the next month or so.. I ain't a rich man so $500 to me is like $50000 for a lot of folks.

I figured it's time to change my signature so hold your breath. This is it.
Impressive, huh?
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post #4 of 6 Old 10-07-2016, 09:25 AM
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Yup. That low budget is one reason I mostly work with hand-powered tools. They're not as expensive to get into, at least if you buy them used. I'd probably stay stick with the cheap 6" stones you have for a while, and make a good set of 8" DMT stones (probably the fine/extra-fine DuoSharp) your next purchase. Amazon has them for about $65 at the moment, which is pretty good for a long-life, frequent use tool.
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post #5 of 6 Old 10-07-2016, 09:44 AM Thread Starter
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I keep bookmarking http://www.sharpeningsupplies.com/DM...-Kit-P248.aspx with all intentions of placing an order, but I get suduced by craigslist ads and never seem to get around to it.. I learned the hard way to stay away from the site, bestsharpeningstones.com. They'll take your money and never send you a damned thing. Right after I ordered from them I found several posts on lumbberjocks warning people about them and true enough it's a ripoff operation.. I had to go through my bank to get the money back..it took a few months, but I got it..

I figured it's time to change my signature so hold your breath. This is it.
Impressive, huh?

Last edited by allpurpose; 10-07-2016 at 09:46 AM.
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post #6 of 6 Old 10-07-2016, 10:01 AM
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Ugh! Good to know! If you have Amazon Prime, the ones on Amazon are a better detail than the sharpeningsupplies.com kit. I'd rather give my money to smaller vendors, but there are times when the pricing just doesn't make sense.
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