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Titman Edge Diamond Credit Card Stone - 600/1000 Grit

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This double-sided credit card-sized diamond stone is perfect for precision honing and gaining the keenest edge on small fluted, shaped turning and carving tools. 

Guaranteed for 5 years when used with Titman Edge lapping fluid.


  • Size: 85 x 50mm
  • Thickness: 1.6mm
  • Fine 600 and extra-fine 1000 grit
  • Storage wallet
Technical Information

Grit and micron sizes are difficult to translate into traditional grit sizes of water and oil stones. The grit sizes quoted on the following products are accurate to within the parameters of international grading standards which is +/- 11%. Therefore a 25-micron product may consist of diamond particles varying from between 27.5 – 22.5 micron.

180 grit/70 micron 300 grit/50 micron 600 grit/25 micron 1000 grit/ 5 micron 

All the products have a breaking in period, there is an excess layer of diamond which needs to be removed before the surface is at its optimum designed sharpening abrasion. 

Be careful when breaking in a coarse side (300 grit / 50 micron) to wipe down the tool thoroughly before moving to the fine side (1000 grit / 15 micron) to avoid cross-contamination and therefore taking a much coarser diamond onto a much finer side – it will scratch it! 

Once the stone is worn in, you will not need to be quite so thorough as there is no longer a threat of cross-contamination. 

The actual cutting medium (micron size of diamond) is actually 1/3 rd of the quoted sizes. 

In construction, the precision ground substrate (+/- 0.005” flatness) is placed in a tank of nickel which is heated to a certain temperature. Then an electrical current is added which electroplates the nickel onto the surface. This includes diamond particles. Then the nickel is grown around the particles so that they are buries 2/3rds deep leaving 1/3rd exposed (the designed abrasive cut) 

The only way to quote the flatness of a diamond stone accurately is from the substrate only because of the variation of the diamond particles (+/- 11%) and because the new product does have to be broken in. 

This is why this range of diamond products is regarded as one of the best available. 

The diamond is electroplated directly onto a precision ground substrate.

Both sides are electroplated onto the same precision ground substrate giving the best possible flatness. 

The majority of other products are constructed by a “layer” system where a  plate is electroplated or impregnated with diamond and then stuck onto some sort of base material, either plastic or steel. 

For the best quality, the diamond has to be electroplated directly onto the surface. 

Ensure that you use the Titman Edge lapping fluid, the original fluid introduced into the woodworking industry by James Barry Sharpening Solutions some 20 yrs ago. Lapping fluid is a synthetic based petroleum lubricant formulated to be used with diamond compounds. 

This superior lubricant, with its penetrating qualities and oil/water solubility,  not only increases the cutting action but assures superior lubrication of every diamond particle throughout the honing process. 

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