ISO Informational Charts


FG-Diamond-Length


Shank and Overall Length

Shank Diameter - Ø 1.60mm

Shank


ISO

Length


Extra Short

SH

312
14mm



Short

S

313
16mm



Standard



314
19mm



Long

L

315
21mm



Extra Long

LP / XL

316
25mm



Very Long

XXL

317
30mm





  FG Diamond Shapes


FG-Diamond-Grit

 ‌Diamond Grit


ISO


494


504


514


524


534


544


554






Color


White


Yellow

Red


Blue


Green


Black


2x Black


Grit Size µ


15µ


20µ


40µ


107 - 126µ


151µ


181µ


350µ


Grit Name


UF - Ultra Fine


XF - Extra Fine


F - Fine


M - Medium


C - Coarse


XC - Extra Coarse


XXC - Extra Coarse