View Full Version : Anyone know what grit a Shapton diamond lapping stone is?
Frederick Skelly
08-22-2016, 10:29 PM
Hi guys.
I just ordered a 500HR Shapton Glass. I'm not willing to pay nearly $400 for their lapping plate to maintain a $55 stone. I'm going to use either one of my DMT Diamond plates or some 400 grit wet/dry sandpaper. (Which is what I already use on my Shapton Glass 6000.)
What grit would you say their lapping plate is?
Thanks,
Fred
Derek Cohen
08-23-2016, 12:55 AM
275 grit.
Fred, you really can use anything around this range - sandpaper, another diamond stone, etc. It just must be flat.
Regards from Perth
Derek
Frederick Skelly
08-23-2016, 3:48 AM
Thanks very much Derek!
Fred
Robin Frierson
08-23-2016, 6:12 AM
Grizzly has some inexpensive granite plates that are dead flat. You can just put sandpaper on them and you've got an excellent flattening system.
Frederick Skelly
08-23-2016, 6:16 AM
Thanks Robin! I'll go take a look.
Patrick Chase
08-23-2016, 2:18 PM
Hi guys.
I just ordered a 500HR Shapton Glass. I'm not willing to pay nearly $400 for their lapping plate to maintain a $55 stone. I'm going to use either one of my DMT Diamond plates or some 400 grit wet/dry sandpaper. (Which is what I already use on my Shapton Glass 6000.)
What grit would you say their lapping plate is?
Thanks,
Fred
They claim #270-#325, and state the particle size as 45-54 um.
In the FEPA grit rating scheme that particle size range would correspond to #230 or so.
Frederick Skelly
08-23-2016, 7:35 PM
They claim #270-#325, and state the particle size as 45-54 um.
In the FEPA grit rating scheme that particle size range would correspond to #230 or so.
Thanks Patrick!
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