Cúpláin RIGID (RM), Cineál H/F ó RM12, RM16, RM25, RM30, RM35, RM40, RM45, RM50
| MÉID | Bush NÍL. | Max Bore | A | C | D | E | F ainm | G ainm | H | J | L | |
| méadrach | orlach | |||||||||||
| RM12 | 1210 | 32 | 1 1/4" | 118 | 35 | 83 | 26 | 76 | 102 | 7 | 38 | 57 |
| RM16 | 1615 | 42 | 1 1/2" | 127 | 43 | 80 | 38 | 89 | 105 | 7 | 38 | 83 |
| RM25 | 2517 | 60 | 2 1/2" | 178 | 51 | 123 | 45 | 127 | 149 | 7 | 48 | 97 |
| RM30 | 3030 | 75 | 3" | 216 | 65 | 145 | 76 | 152 | 181 | 7 | 54 | 159 |
| RM35 | 3535 | 90 | 3 1/2" | 248 | 75 | 178 | 89 | 178 | 213 | 7 | 67 | 185 |
| RM40 | 4040 | 100 | 4" | 298 | 76 | 210 | 102 | 216 | 257 | 7 | 79 | 210 |
| RM45 | 4545 | 110 | 41/2" | 330 | 86 | 230 | 114 | 241 | 286 | 7 | 89 | 235 |
| RM50 | 5050 | 125 | 5" | 362 | 92 | 260 | 127 | 267 | 314 | 7 | 92 | 260 |
Cúpláin Dhlúth (Cúpláin RM) le toir Taper Bore deis d'úsáideoirí seaftaí a nascann go docht a shocrú go tapa agus go héasca le hiontaofacht rogha leathan de mhéideanna seafta na toir Taper Bore. Is féidir leis an flange fireann an tor a shuiteáil ó thaobh an Mhoil (H) nó ó thaobh Flange (F). Bíonn an feistiú tor F ag an baineann i gcónaí a thugann dhá chineál cóimeála cúplála féideartha HF agus FF. Agus tú ag baint úsáide as seaftaí cothrománacha, roghnaigh an tionól is áisiúla.
