| Code | Type | Applicable pitch |
|---|---|---|
| 7321-T11 | metric and unified screw (60° thread angle) | 0.4-0.5mm/64-48TPI |
| 7321-T12 | metric and unified screw (60° thread angle) | 0.6-0.9mm/44-28TPI |
| 7321-T13 | metric and unified screw (60° thread angle) | 1-1.75mm/24-14TPI |
| 7321-T14 | metric and unified screw (60° thread angle) | 2-3mm/13-9TPI |
| 7321-T15 | metric and unified screw (60° thread angle) | 3.5-5mm/8-5TPI |
| 7321-T16 | metric and unified screw (60° thread angle) | 5.5-7mm /4.5-3.5TPI |
| 7321-T1S | metric and unified screw (60° thread angle) | 6 pairs/set, including all above tips |
| 7321-T21 | whitworth screw (55° thread angle) | 60-48TPI |
| 7321-T22 | whitworth screw (55° thread angle) | 48-40TPI |
| 7321-T23 | whitworth screw (55° thread angle) | 40-32TPI |
| 7321-T24 | whitworth screw (55° thread angle) | 32-24TPI |
| 7321-T25 | whitworth screw (55° thread angle) | 24-18TPI |
| 7321-T26 | whitworth screw (55° thread angle) | 18-14TPI |
| 7321-T27 | whitworth screw (55° thread angle) | 14-10TPI |
| 7321-T28 | whitworth screw (55° thread angle) | 10-7TPI |
| 7321-T29 | whitworth screw (55° thread angle) | 7-4.5TPI |
| 7321-T210 | whitworth screw (55° thread angle) | 4.5-3.5TPI |
| 7321-T2S | whitworth screw (55° thread angle) | 10 pairs/set, including all above tips |




