Bevel Gears
Bevel Gears JIS Grade N5 (jis B 1702-1: 1998)
JIS Grade 1 (JIS B 1702:1976)
Core hardness HB300320
    Surface hardness HRC 5560
Gear teeth Standard full depth Surface treatment  
Pressure angle 20 Surface finish Ground
Material E.N. 253 Datum reference surface  
Heat treatment overall carburizing for gear grinding Bore