
Thread types and basic profilesThread types and basic profiles TPGB for internal threading
Thread types & basic profile / Applicable toolholders & inserts
| Basic profile | | Symbol | Type | Applicable inserts | Applicable toolholders |
| (Previous symbol) | | | | |
| E | | ISO(-TF/TQ) | KTN | - |
| ER | 60(-TF/TQ) | | KTNSR | -16 |
| 30˚ | 30˚ | TT | 60 | | | | |
| 60˚ | TTX32R60 | | | KTTXR | -16F, S | -KTTXL16 |
| External | | I | ISO(-TF/TQ) | | | |
SIN S- (E)
| TP | | IR | 60 | | | |
| | IR60 | | ( ) CIN | S- | |
| e.g.) | | 60 | | | |
| M30 TT | | | KITG | T- | |
| TPGB11 | | | ( ) S | -STWP&11- | (E) |
| | ER | UN(-TF/TQ) | KTNR | - | |
| | ER | 60(-TF/TQ) | KTNSR | | -16 |
| H 8 | UN 16ER60 | | | S | -KTNL16 | |
| UNC Internal TT | | 60 | KTT | | - - |
| UNF TTX32R60 | | | KTTXR | -16F, S | -KTTXL16 |
| 30˚ | 30˚ | | | | | |
| 60˚ | UNEF | IR | UN-(TF/TQ) | SINR | S- | (E) |
| H 4H External | | IR | 60 | | | |
| TP | | IR60 | | ( ) CINR | S- | |
| e.g.) TT | | 60 | KITG | T- | |
| 3⁄4 -16 UNF TPGB11 | | | ( ) S | -STWP 11- | (E) |
| | ER | W(-TF/TQ) | KTNR | - | |
| H 6 | External: G(PF) | ER | 55 | KTNSR | | -16 |
| JJ | Internal: G(PF) r 16ER55 | | | S | -KTNL16 | |
| Internal | | | | | |
| Rp(PS) TT | | 55 | KTT | | - |
| 27.5˚ | r 27.5˚ TTX32R55 | | | KTTXR | | -KTTXL16 -16F, S |
| 55˚ | | IR | W(-TF/TQ) | | | |
| H 6 External | e.g.) | | | SINR | S- | (E) |
| TP | | IR | 55 | CINR | S- | |
| G 3⁄4 (PF 3⁄4) | IR55 | | ( ) | | |
| TT | | 55 | KITG | T- | |
| | ER | W(-TF/TQ) | KTNR | - | |
| | ER | 55 | KTNSR | | -16 |
| 16ER55 | | | S | -KTNL16 | |
| W r | | | | | |
| Internal TT | | 55 | KTT | | - |
| TTX32R55 | | | KTTXR | -16F, S | -KTTXL16 |
| 27.5˚ | 27.5˚ | | | | | |
| r | IR | W(-TF/TQ) | | | |
| 55˚ | | IR | 55 | SINR | S- | (E) |
| External | | IR55 | | ( ) CINR | S- | |
| TP | e.g.) | | | | | |
| W 3⁄8 TT | | 55 | KITG | T- | |
| | | | KTNR | - | |
| External: R(PT) | | | | | |
| 16ER | | BSPT(-TF/TQ) | KTNSR | | -16 |
| (BSPT) | | | S | -KTNL16 | |
| r | Internal | | | | | |
| h 2 | Internal: Rc(PT) | | | | | |
| TT | | 55 | * KTT | | - |
| (BSPT) TTX32R55 | | | * KTTXR | | -KTTXL16 -16F, S |
| 27.5 ˚ | r 27.5˚ | | | | | |
| h 2 55˚ | | IR | BSPT(-TF/TQ) | SINR | S- | (E) |
| e.g.) | | | CINR | S- | |
| 1˚47´ | | | | | |
| R 1⁄2 (PT 1⁄2) External | | 55 | * | | |
| TT | | | KITG | T- | |
| TP | | | | | | |
| | | | KTNR | - | |
| NPT Internal 16ER | | ( . )NPT | KTNSR | | -16 |
| Fr | | | | | | |
| | | | S | -KTNL16 | |
| Fc | | | | | | |
| Fc TP | | | | | | |
| Fr | External | | | SINR | S- | |
| 30˚30˚ | e.g.) 60˚ 16IR | | ( . )NPT | | | |
| | | | CINR | S- | |
| 3⁄8 -18 NPT 1˚47´ | | | | | |
| | | | KTNR | - | |
| 0.366TP | Tr | ER | | TR KTNSR | | -16 |
| | | | S | -KTNL16 | |
| Internal | | | | | |
| 15˚ 15˚ | | | | | | |
| 30˚ | | | | | | |
| External | | | | SINR | S- | |
| 0.366TP | e.g.) | IR | | TR | | |
CINR S- Tr 26x3 TP Above shows the usage example of applicable Toolholder / Insert. * For the case when the thread root's corner-R(RE) can be smaller than the standard.