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Internatonal Standardization of Girt Sizes for Diamond and Cubic Boron Nitride
Grit sizes of diamond wheel Standard Wheel Shape Product Inquiry
  

Diamond Wheel

Diamond Wheel Standard

International Standardization of Grit Sizes for Diamond and Cubic Boron Nitride
Seieve Grit Designations
Micro Grif Sizes

Diamond Wheel + CBN
FEPA-Standard

 Diamond Wheel + CBN
USA Standard
ASTM-E-11-70

Norminal mesh size to
ISO 6106 DIN 848
Part 1, 1980

 Diamond Wheel

For comparison
grit size
μm
narrow wide narrow wide
D 851 D 852 20/25 20/30  850/710 D 25 32-52
D 711 25/30 710/600 D 20 30-40
D 601 D 620 30/35 30/40 600/500 25-30
D 501 35/40 500/425 D 15 10-25
D 426 D 427 40/45 40/50 425/355 D 7 5-10
D 356 45/50 355/300 D 3 2-5
D 301   50/60   300/250 D 1 1-2
D 251 D 252 60/70   250/212 D 0,7 0,5-1
D 213 70/80   212/180

FEPA =
Fédération Européenne
des Fabricants de Produits Abrasifs.
D 181   80/100   180/150
D 151   100/120   150/125
D 126   120/140   125/106
D 107   140/170   106/90
D 91   170/200   90/75
D 76   200/230   75/63
D 64   230/270   63/53
D 54   270/325   53/45
D 46   325/400   45/38
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