Straight Rack| SERIES | QUALITY | MATERIAL | HEAT-TREATMENT | HRC | TEETH SURFACE | SIDE SURFACE | |
| RSF | 9 | 42CrMo4 | Soft | o | Milled | Milled | |
| RSF | 9 | 42CrMo4 | Soft | o | Milled | Milled | |
| RSFH | 9 | 42CrMo4 | Induction-Hardened | 50-55 | Milled | Ground | |
| RSFH | 9 | 42CrMo4 | Induction-Hardened | 50-55 | Milled | Ground | |
| RSFH | 10 | 42CrMo4 | Induction-Hardened | 50-55 | Milled | Milled | |
| RSFH | 10 | 42CrMo4 | Induction-Hardened | 50-55 | Milled | Milled | |
| RSFQ | 8 | 42CrMo4 | Quenched and Tempered | 15-20 | Milled | Milled | |
| RSFQ | 8 | 42CrMo4 | Quenched and Tempered | 15-20 | Milled | Milled | |
| RSGH | 5 | 42CrMo4 | Induction-Hardened | 50-55 | Ground | Ground | |
| RSGH | 6 | 42CrMo4 | Induction-Hardened | 50-55 | Ground | Ground | |
| RSGH | 6 | 42CrMo4 | Induction-Hardened | 50-55 | Ground | Ground | |
| RSGH | 7 | 42CrMo4 | Induction-Hardened | 50-55 | Ground | Ground | |
| SSF | 9 | C45E | Soft | Less than 15 | Milled | Milled | |
| SSF | 9 | C45E | Soft | Less than 15 | Milled | Milled | |
| SSFH | 9 | C45E | Induction-Hardened | 50-55 | Milled | Ground | |
| SSFH | 9 | C45E | Induction-Hardened | 50-55 | Milled | Ground | |
| SSFH | 10 | C45E | Induction-Hardened | 50-55 | Milled | Milled | |
| SSFH | 10 | C45E | Induction-Hardened | 50-55 | Milled | Milled | |
| SSFQ | 8 | C45E | Quenched and Tempered | 15-20 | Milled | Milled | |
| SSFQ | 8 | C45E | Quenched and Tempered | 15-20 | Milled | Milled | |
| SSGH | 5 | C45E | Induction-Hardened | 50-55 | Ground | Ground | |
| SSGH | 6 | C45E | Induction-Hardened | 50-55 | Ground | Ground | |
| SSGH | 6 | C45E | Induction-Hardened | 50-55 | Ground | Ground | |
| SSGH | 7 | C45E | Induction-Hardened | 50-55 | Ground | Ground |