PDC Drag Bit 4 1/2 Inihi, 3 Mata mō te keri puna hinu
Whakaahuatanga Hua
E toru ngā mata tika o te mata keri, he poto te āhua o te parapara, he mea hanga ki te maitai waro iti, hei whakapai ake i te ROP me te āheinga o te mata keri. Mā ngā niho tapahi āwhina, he kaha ake te hononga o tēnei mata keri, ā, he ātete ki te karawarawa i roto i te hanganga huri teitei. He pai mō te keri i roto i te hanganga reo me te tere uru teitei.
PDC toia te mata: He mata keri whānui te mata toia, e whakamahia ana mō ngā puna wai, te keri maina, te keri whenua, te keri taiao me te keri tūhura. He pai mō te keri i ngā hanganga ngohengohe me ngā hanganga ngohengohe-waenganui me te tere uru tere me te tino whai hua, ā, he mea motuhake mō te keri i ngā kōhao whānui nui.
Whakatakotoranga Hua
| Rahi Moka Tōia (Inihi) | 4 1/2 Inihi |
| Tōia te Hononga Moka | Pine rehita API 2 3/8" |
| Te rahinga o ngā mata | 3 |
| Te Hanganga o te Moka Tōia | Ngāwari, ngawari waenga, mārō, mārō waenga, tino mārō te hanganga. |
Tuhipoka: Kei te wātea te rahi motuhake mā te tauira, mā te tuhi rānei.
| Momo | Ahu | Hononga Miro | |
| inihi | mm | ||
| Momo Hipanga 3 mata | 3 1/2~17 1/2 | 89~445 | Rākau N,2 3/8 ~ 6 5/8 API REG / IF |
| Momo Chevron 3 mata | 3 1/2~8 | 89~203 | Rākau N,2 3/8 ~ 4 1/2 API REG / IF |
He rauemi tino mārō te mata keri PDC i honoa ki te taimana me te koranu mārō i raro i te pāmahana teitei. He painga tōna he mārō, he pakari hoki mai i te taimana, ā, he painga anō hoki nōna he ātete ki te pānga me te mata nui mai i te koranu mārō. Ka tino whakapai ake i te whai huatanga o te keri, ā, koia te mata keri tino pai mō te mahi keri i te toka waenga me te mārō me te tino mārō.

Ko ngā mata tōia, e kiia ana hoki ko ngā mata mata me ngā whakaurunga TC ki te mata. He mea hanga ēnei mō te whakamahi i roto i ngā hanganga ngohengohe pērā i te onepu, te uku, te toka ngohengohe rānei. Ko ō rātou whakamahinga ko te keri i ngā puna wai, te keri maina, te waiariki, te keri taiao me te keri tūhura.

Whakakahangia te tiaki, whakanuia te ātete ki te kakahu, whakanuia te roa o te ora ratonga.










