Feature●Accuracy Grade: JIS N8 (JIS B 1702-1:1998) * Old JIS4 (JIS B 1702:1976)●Tooth Shape: Double tooth●Pressure angle: 20°●Material: S45C●Tooth Hardness: Less than 194HB●Surface treatment: black dye●Module: 1, Number of Teeth: 25, Shape: S1, Hole Diameter (AH7): 6[1 32]
![](https://m.media-amazon.com/images/I/41OMo5+uZwL.jpg)
[1 28]
![](https://m.media-amazon.com/images/I/41eEjNRjsiS.jpg)
[1 25]
![](https://m.media-amazon.com/images/I/41jdcBYRbIL.jpg)
[1 20A]
![](https://m.media-amazon.com/images/I/510SXC8MsyL.jpg)
[0.8 20]
Description