horoi horoi puna
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Puna Horoi
I wahia tetahi mowhiti i te wa kotahi ka piko ki te hanga helical. Ma tenei ka kaha te mahi horoi a te kaihoroi i waenga i te mahunga o te kaitapahi me te tihi, e pupuri ana i te kaihoroi kia kaha ki te tarai me te miro tutaki kia kaha ki te miro, ki te miro tarai ranei, ka nui ake te wiri me te aukati ki te hurihanga. Ko nga paerewa e whaimana ana ko te ASME B18.21.1, DIN 127 B, me te United States Military Standard NASM 35338 (MS 35338 me AN-935).
