P°evodnÝ tabulka norem zrnitostÝ diamantu a KNB

╚SN - 224015 ISO 6106 (FEPA) US Standard
ASTM-E-11-70
Diamant KNB
630/500D601B60130/35
500/400D501B50135/40
400/315D426B42640/45
315/250D301B30150/60
250/200D251B25160/70
200/160D181B18180/100
160/125D151B151100/120
125/100D126B126120/140
100/80D107B107140/170
80/63D76B76200/230
63/50D64B64230/270
50/40D54B54270/325
40/36D46B46325/400
36/25D39B39400/500