| Nga korero tino nui | |||
| Tikanga: | Hou | Ingoa Waitohu: | JCDRILL |
| Pūtāhui: | Kāore i te wātea | Momo: | Hammer DTH |
| Ahumahi e tika ana: | Pūngao me te Maina | Momo Miihini: | Utauta Keri |
| Wāhi Whakaaturanga: | Karekau | Momo Tukatuka: | Te patupatu |
| Ataata puta-tirotiro: | Ka whakaratohia | Whakamahia: | Maina, Keri, Tunneling, Hanga |
| Pūrongo Whakamātau Miihini: | Ka whakaratohia | Tae: | Kakariki, puru, koura etc |
| Momo hokohoko: | Hua noa | Rangatū: | CIR, BR, COP, DHD, MISSION, QL, SD, NUMA |
| Wāhi Taketake: | Beijing, Haina | ||
Kupu Whakataki
Ko te "DTH" te whakapoto o "Down The Hole"".
Ko te riu keri hurihanga, ko te hau compressor me te "DTH drill string" te mea nui mo te DTH drilling i te "DTH drill".
aho” he mea hanga i nga wa katoa he rakau drill DTH, hama DTH me nga paraka DTH.Ko tetahi o nga waahanga matua, ko te hama DTH te mahi hei huri i te pehanga hau ki te kaha paanga, me te whakawhiti i te kaha o te paanga me te kaha hurihuri ki nga paraka DTH.
Ko te hama DTH tetahi waahanga o nga taputapu keri DTH, no te taputapu mahi o nga taputapu keri DTH.Kua wehea te hama DTH ki te iti o te hau DTH hama, te hau waenga te hama DTH me te hau teitei DTH hama.，e whakamahia ana mo te keri poka pupuhi me te kaupapa keri poka wai, keri maina aha atu.
Hammer DTH Te Peetanga Hau (me te takirere waewae)
Ko te ahua o te hammer DTH te pehanga hau teitei me te hiko o te waewae.
He pai te hiri, karekau he wai me nga haea ka uru ki te hama i roto i te wai kei te keri.
| Hammer DTH | ||
| Momo | Tauira | Diamita o waho |
| Hammer DTH pehanga teitei | ||
| 3 inihi | JD25A | 71mm |
| 3.5 inihi | JD35A/M30 | 82mm |
| 4 inihi | JD45A/QL40A/M40/SD4 | 99mm |
| 5 inihi | JD55A/QL50A/M50/SD5 | 125mm |
| 6 inihi | JD65A/QL60A/M60/SD6 | 142mm |
| 8 inihi | JD85A/QL80A/M80/SD8 | 180mm |
| 10 inihi | HD100A/SD10 | 225mm |
| 12 inihi | JD125A/SD12 | 275mm |
| 14 inihi | JD140A | - |
| Te Hammer DTH Peketanga Middel | ||
| 2.5 inihi | BR1 | 56mm |
| 3 inihi | BR2 | 64mm |
| 3.5 inihi | BR3 | 82mm |
| Hammer DTH Peke Whakararo | ||
| 3 inihi | CIR65 | 68mm |
| 3.5 inihi | CIR70 | 76mm |
| 4 inihi | CIR90 | 99mm |
| 5 inihi | CIR110 | 110mm |
| 6 inihi | CIR150 | 150mm |
| 8 inihi | CIR170 | 170mm |
| Hama Whakamuri | ||
| 6 inihi | BH140 | 155mm |
| 8 inihi | BH170 | 190mm |
| 10 inihi | BH190 | 220mm |
| 12 inihi | BH240 | 190mm |
| Momo | Tauira | Te roa | Taumaha | Dia waho.(mm) | Awhe Kohao |
| (mm) | (kg) | (mm) | |||
| 3.5 inihi | DHD3.5 | 930 | 25 | 82 | 90-110 |
| 4 inihi | DHD340 | 1030 | 39 | 99 | 110-135 |
| SD4 | 1084 | 40.5 | 99 | ||
| QL40 | 1097 | 41 | 99 | ||
| Mihana40 | 1005 | 40 | 99 | ||
| 5 inihi | DHD350 | 1214 | 76.5 | 125 | 135-155 |
| SD5 | 1175 | 72.5 | 125 | ||
| QL50 | 1147 | 73 | 125 | ||
| Mihana50 | 1110 | 68.5 | 125 | ||
| 6 inihi | DHD360 | 1248 | 100 | 142 | 155-190 |
| SD6 | 1261 | 100 | 142 | ||
| QL60 | 1212 | 95 | 146 | ||
| Mihana60 | 1161 | 90 | 146 | ||
| 8 inihi | D85 | 1492 | 188 | 180 | 195-254 |
| SD8 | 1463 | 192 | 180 | ||
| QL80 | 1465 | 182 | 180 | ||
| Mihana80 | 1338 | 176 | 180 | ||
| 10 inihi | SD10 | 1502 | 290 | 226 | 254-311 |
| NUMA100 | 1510 | 288 | 226 | ||
| 12 inihi | DHD1120 | Ka taea te hoahoa kia rite ki o tono! | |||
| Numa120 | |||||
| Nama 125 | |||||
| 14 inihi | JD140A | ||||
Pikitia
| Rahi ota iti | N/A |
| Utu | |
| Nga Taipitopito mokete | Paerewa Kaweake Tukunga Paerewa |
| Wā Tukunga | 7ra |
| Nga tikanga utu | T/T |
| Te kaha tuku | I runga i te Ota Taipitopito |
