Precision grade JIS grade N5 (JIS B1702-1: 1998) Gear teeth Standard full depth Pressure angle 20° Material SCM415 Heat treatment Carburized Tooth hardness 55 to 60HRC
Precision grade JIS grade N5 (JIS B1702-1: 1998) Gear teeth Standard full depth Pressure angle 20° Material SCM415 Heat treatment Carburized Tooth hardness 55 to 60HRC
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