
| R | T | 22. 01 | W – 3.50 GM | (P) (B) | |
| A |
1 2 3 4 5 6 7 8 9
Type Insert shape Insert size [mm]
| Code | Description | Code | I.C | |
| R | Right | 11 | 6,35 |
T Z Special
| L | Left | 16 | 9,252 |
| 22 | 12,70 |
| 1 | 2 | 3 | |
| B |
Teeth per cutting edge Application Pitch
| Code | Description | Code | Description | Code | Pitch range (part profile) | ||
| 01 | 1 | W | External thread | A | 0,5 – 1,5 mm | 48 – 16 (TPI) | |
| 02 | 2 | N | Internal thread | AG | 0,5 – 3,0 mm | 48 – 8 (TPI) | |
| G | 1,75 – 3,0 mm | 14 – 8 (TPI) | |||||
| N | 3,5 – 5,0 mm | 7 – 5 (TPI) |
Pitch range [mm] (full profile) 0,50 0,75 1,00 1,25 1,50 C 1,75 2,00 2,50 3,00 3,50 4,00 4,50 5,00 5,50 6,00
Pitch range (TPI) (full profile) 4 5 6 8 10 11 11,5 12 14 16 18 19 20 24 27 28
| 4 | 5 | 6 | ||
| D | Thread prof ile |
Code Description Chip breaker
GM ISO metric coarse thread 60° 60 Partial profile 60° 8 55 Partial profile 55°
W Whitworth
| UN | Unified conventional thread | Insert thickness [mm] | |
| BSPT | Whitworth taper pipe thread | Code | Description |
| NPT | American taper pipe thread | B | Thin type |
| NPTF | Dryseal American taper pipe thread | ||
| 9 | |||
| R | Knuckle thread 30° |
E MJ Thread for aerospace
UNJ Unified screw thread TR Metrical ISO trapezoidal thread AC American national thread STAC STUB-ACME thread
AP API 60° thread RD API round thread BUT American buttress thread