Much like the atoma 140 the 400 is very coarse.
Atoma diamond lapping plate.
It s not as fast as the 140 but doesn t put deep scratches like the 140 does.
The 1200x can be used for fine lapping or general sharpening and leaves a toothed edge on kitchen knives.
Tsuboman atoma diamond sharpening plates diamond stone diamond plate diamond sharpener are products of tsuboman a superb japanese manufacturer with very refined products.
The quality and durability of these atoma plates are of the highest we.
The micron equivalents are 100 45 and 15 respectively the plates are generously sized at 3 x 8 1 4 so they ll easily handle your largest plane blades.
The atoma is a very high quality stone.
Atoma diamond plates come in three grits.
140 for fast material removal 400 for creating a primary bevel and 1200 for final honing.
Because the diamonds are arranged in a dot pattern rather than a continuous surface there is less tendency for them to stick to the stones when lapping.
The 400x is suitable for fast lapping truing water stones or shaping a primary bevel.
It will lap sharpening stones with ease and in less than 1 minute it will flatten stones like shaptons or choseras.
The atoma plates work really well for lapping stones and doing initial bevel setting as well as repair work on your knives.
It made quick work of lapping japanese natural stones too.
This particular coarse is a little more coarse than i usually need for sharpening purposes but i would imagine the higher coarse atoma stones will perform very well.
It flattens very quickly faster than the shapton diamond lapping plate and has shown no sign of wearing.
These plates are made of mono crystalline diamonds as the abrasive surface on stainless steel body made of 10mm think machined aluminium plate.