* Precision Grade: JIS B 1704 :1978 grade 1
* Gear Teeth: Gleason
* Pressure Angle: 20º
* Helix Angle: 35º
* Material: SCM415
* Tooth Surface Finish: Ground
* Heat Treatment: Carburizing
* Tooth Hardness: 55~60HRC
* Surface Treatment: None
* Features: High strength, abrasion-resistant and compact for high-speed & torque use