Pris ffatri bibell dril 7 11 12 gradd conigol bibell dril ar gyfer twnnel mwyngloddio
Modelau sy'n berthnasol
Defnyddir rhodenni dril taprog mewn driliau roc niwmatig a driliau creigiau hydrolig.Megis YT24, YT27, YT28, YT29.
Ffurfiannau creigiau gweddol galed i galed a sgraffiniol.
| Enw Cynnyrch | Gwiail drilio tapr H22 H25 proffesiynol |
| Hyd | 500mm ~ 8200mm |
| Maint Shank | Hex.22mm, Hex.25mm. |
| Gradd tapr | 7°, 11°12° |
| Pwysau | 1.5 ~ 11.5KG |
| Manyleb pacio | Achos Pren |
| Cais | Gwaith adeiladu, Ynni a Mwyngloddio |
| Y berthynas rhwng ongl tapr a diamedr pen tapr | |||
|
| Gradd tapr | Byr/Hir | Diwedd tapr |
| | 4°46′ | Sgert fer | 19.1mm |
| 7° | Sgert fer | 16.0mm | |
| 11° | Sgert fer | 18.0mm | |
| 12° | Sgert fer | 16.8mm | |
| 12° | Sgert hir | 14.9mm | |
| Shank H22x108mm, gradd tapr 4°46' 7°11°12° | |||
| Hyd(L) | Rhif Rhan | Pwysau | |
| mm | Traed/modfedd |
| Kg |
| 400 | 1'33/4'' | TRH22L0400 | 1.7 |
| 800 | 2'71/2'' | TRH22L0800 | 2.9 |
| 1830. llarieidd-dra eg | 6' | TRH22L1830 | 6.0 |
| 2000 | 6'63/4'' | TRH22L2000 | 6.5 |
| 2435. llarieidd-dra eg | 8' | TRH22L2435 | 7.8 |
| 3050 | 10' | TRH22L3050 | 9.9 |
| 3200 | 10'6'' | TRH22L3200 | 10.1 |
| 4000 | 13'13/8'' | TRH22L4000 | 12.7 |
| 4800 | 15'87/8'' | TRH22L4800 | 15.1 |
| 5600 | 18'45/18'' | TRH22L5600 | 17.5. |
| 6400 | 21' | TRH22L6400 | 20.0 |
| 7200 | 23'71/4'' | TRH22L7200 | 22.4 |
| 8000 | 26'23/4'' | TRH22L8000 | 24.9 |
