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Decimal Equivalents| Abrasive Grit| Diamond Grit

Diamond Equivalencies A-13 Infill Hand Plane

Compliments of
The International Gem Society

Diamonds have there own chart to confuse us even more about grits.

Microns to Diamond Mesh Equivalencies

Microns Size Micron Range Equivalent Mesh
1/40 0 -5 100,000
1/2 0 -1 60,000
1.0 0 -2 14,000
1.5 1 -2 13,000
2.5 2 -3 9,000
3 2 -4 8,000
4 2 -6 5,000
5 4 -6 4,500
7 5 -10 2,800
9 6 -12 1,800
14 8 -20 1,400
15 10 -20 1,200
18 12 -25 1,050
25 20 -30 800
30 20 -40 600
35 30 -40 500
45 40 -50 325
55 50 -60 285
70 60 -80 240
90 80 -100 225
110 100 -120 160

 

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Diamond Equivalency Mesh sizes in micros so you can look the them up and figure about what they compare to in regular grit

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