Kūʻai wela Dth Hammer a me ke kumu kūʻai bit ma Kina
* Nā huahana hou i hoʻolālā ʻia e pili ana i ke kūlana mining ma Kina, hoʻomaikaʻi ʻia e ka ʻenehana holomua mai ka mākeke honua.
* ʻO nā mea ʻoi aku ka maikaʻi, ke kaʻina holomua, ka maikaʻi i hōʻoia ʻia.
* ʻOi aku ka wikiwiki o ka wili ʻana.
* Hiki ke hoʻonui i ka paʻakikī e hoʻonui i ke ola o ka hāmare, a hoʻohaʻahaʻa i ke kumukūʻai.
* Ka manaʻo nui me ka hoʻohana haʻahaʻa o ka uila.
* Hoʻohana ʻia ka manaʻo o kēia wā i ka hoʻolālā hoʻolālā, kahi e hana ai i ke koʻikoʻi.
* ʻOi aku ka lōʻihi o ka nalu, haʻahaʻa ka amplitude koʻikoʻi, a lōʻihi ke ola piston.
  * ʻO nā mea ʻoi aku ka maikaʻi, ke kaʻina holomua, ka maikaʻi i hōʻoia ʻia.
* ʻOi aku ka wikiwiki o ka wili ʻana.
* Hiki ke hoʻonui i ka paʻakikī e hoʻonui i ke ola o ka hāmare, a hoʻohaʻahaʻa i ke kumukūʻai.
* Ka manaʻo nui me ka hoʻohana haʻahaʻa o ka uila.
* Hoʻohana ʻia ka manaʻo o kēia wā i ka hoʻolālā hoʻolālā, kahi e hana ai i ke koʻikoʻi.
* ʻOi aku ka lōʻihi o ka nalu, haʻahaʻa ka amplitude koʻikoʻi, a lōʻihi ke ola piston.
| Hoʻohālike | Hookui Uila | OD(mm) | Ka nui o ka lua | ʻAno Shank | ʻO ke kaomi hana (pa) | 
| CD35 | API 2 3/8" Reg | φ82mm | φ90-φ105 | DHD3.5  CD35 | 1.0-1.5Mpa | 
| CD45 | API 2 3/8" Reg | φ99mm | φ110-φ135 | Cop44  DHD340 CD45 | 1.0-2.5Mpa | 
| CSD4 | API 2 3/8" Reg | φ99mm | φ110-φ135 | SD4  CSD4 | 1.0-2.5Mpa | 
| CQL40 | API 2 3/8" Reg | φ99mm | φ110-φ135 | QL40  CQL40 | 1.0-2.5Mpa | 
| CD55 | API 2 3/8" Reg  API 3 1/2" Reg | φ125mm | φ135-φ155 | ʻO Cop54  DHD350R CD55 | 1.0-2.5Mpa | 
| CSD5 | API 3 1/2" Reg | φ125mm | φ135-φ155 | SD5  CSD5 | 1.0-2.5Mpa | 
| CQL50 | API 3 1/2" Reg | φ125mm | φ135-φ155 | ʻO Cop54  QL50 CQL50 | 1.0-2.5Mpa | 
| CD65 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64  DHD360 CD65 | 1.0-2.5Mpa | 
| CSD6 | API 3 1/2" Reg | φ148mm | φ155-φ190 | SD6  CSD6 | 1.0-2.5Mpa | 
| CQL60 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64  QL60 CQL60 | 1.0-2.5Mpa | 
| CD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | ʻO Cop84  DHD380 CD85 | 1.0-2.5Mpa | 
| CSD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | SD8  CSD8 | 1.0-2.5Mpa | 
| CQL80 | API 4 1/2" Reg | φ185mm | φ195-φ254 | QL80  CQL80 | 1.0-2.5Mpa | 
| CSD10 | API 4 1/2" Reg  API 5 1/2" Reg API 6 5/8" Reg | φ225mm | φ254-φ311 | SD10  CSD10 | 1.0-2.5Mpa | 
| CN100 | API 6 5/8" Reg | φ225mm | φ254-φ311 | NUMA100  CN100 | 1.0-2.5Mpa | 
| CSD12 | API 6 5/8" Reg | φ275mm | φ305-φ445 | SD12  CSD12 | 1.0-2.5Mpa | 
Dth wili Wai luawai
   E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou
 
         












