Gear precision grade chart

 

GRADE STANDARDPRECISION GRADE
JIS(JAPAN)N0N1N2N3N4N5N6N7N8N9N10N11N12
JIS-B1702-02(NEW)
JGMA(JAPAN)    12345678 
JIS(JAPAN)    012345678
JIS-B1702(OLD)
PRC(CHINA)0123456789101112
GB10095~1009
ISO ( INTERNATIONAL)0123456789101112
DIN(GERMANY) 123456789101112
3960~3967
GOST(USSR)   3456789101112
BS(UK)     A1A2BCD   
FN(FRANCE)    ABCDE    
ANSI(USA)     4321    
AGMA(USA)  161514~131210108