| 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
I roto i te keri tohanga hau, mena he uaua rawa te hanga mo te kuhu ma te moka toia, ka whakamahia te hama DTH.I whakawhanakehia tenei taputapu mo te ahumahi keri me te keri.Ko te pito o te 'pakihi' – te moka patene – he mea whakakikoruatia ki nga patene tungsten carbide hemispherical, me nga hongere kua hangaia hei tuku i te rere o te hau kōpeke.Ka pehia te hama ki te whenua, ka peia te moka ki roto i te mahi hama pneumatic (penei i te wiri rori) e te hau kōpeke i whangaihia ki raro i nga paipa keri.Na, i te mea ka huri te taputapu ki roto i te poka, ka mahi nga paatene puta noa i te turanga katoa o te poka.Ko te nuinga o nga hama ka huri i te tere o te 20 ki te 30 hurihanga ia meneti, a ka taea te patu i te reiti ki te 4000 ia meneti.Ko te tikanga ka peia (ka pupuhihia) nga otaota ki waho o te poka i te pito o ia paipa keri.Ko nga hama DTH he tino whai hua ki nga hanganga toka pakeke penei i te kowhatu kowhatu, i te basalts ranei;Ko te ahua o te ahua ngawari, he pai te ahua ka purua nga ngongo hau, ka tarai ranei i nga kiriata piston.
Heoi ano, he tino utu nga hama DTH, no reira he tino rongonui ki nga kaitarai arumoni.
| 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 |
