
| Material | SUS42J2/SUM24L/45#/55#/70#/SUS304 |
| Roundress | 0.001mm |
| Cylindricity | 0.003mm |
| Surface roughness | Rz 3.2 |
| O.D. tolerance | 0.005mm |
| Gear/Worm precision | Grade 7 |
| Heat treatment | point hardening (high frequency), quench hardening, cementile, nitriding |
| Surface treatment | electroplate nickel, electroplate zinc |
| Sat spray test | ≥ 400 Hour |