SPECIFICATIONS
| Precision grade | JIS Grade N8 (JIS B 1702-1:1998) JIS Grade 4 (JIS B 1702:1976) |
| Gear teeth | Standard full depth |
| Pressure angle | 20° |
| Material | SUS303 (Stainless steel) |
| SUS303 (Stainless steel) | - |
| Core hardness | Less than HB187 |
| Surface hardness | Less than HB187 |
| Surface treatment | - |
| Surface finish | Hobbed |
| Datum reference surface for gear cutting | Bore |