Ko nga kowiri keri-whaiaro, e mohiotia ana ano he "wiri wiri," "wiri keri-whaiaro," ka whakarōpūtia ki nga momo rereke i runga i to raatau tono, rauemi, me te hanga.
He 9.38mm, he 9.8mm ranei te papatahi o te tiwiri 6mm-whaiaro. Ko te hexagonal hexagonal self-drilling screw me te rahi o te 4.5*14*25 te tikanga he 4.5mm te rahi o te tīwiri, he 25mm te roa o te tīwiri, he 14mm te roa o te miro.
1. Ko nga kowiri keri-whaiaro, e mohiotia ana ko "wiri wiri," "wiri keri-whaiaro," he "wiri hiku" ranei ka whakarōpūhia ki nga momo rereke i runga i to raatau tono, rauemi, me te ahua.
2. I runga i nga rauemi, ka taea te wehewehe ki: 1022A te maitai, te 410 te kowiri tira, me te 304 te kowiri tira.
3. Ko tenei momo tiwiri he pito keri-whaiaro, i whakaingoatia mo tona ahua ki te moka wiri. I te wa o te huihuinga, ka werohia e te wiri tana ake kohao i waenganui, katahi, ma te awhina o te waahanga miro e tata ana, ka paopao ki a ia ano hei hanga miro rite ki roto i te kohao o te kaikawe. Nō reira, ka kīia ko te kōwiri kōwiri-whaiaro, ko te tīwiri-whaiaro.
Ko Hebei Wotu Fastener Manufacturing Co., Ltd., he kaihanga o nga wiri keri-whaiaro hexagonal, e whakawhirinaki ana ki te hangarau me te taranata mo te whanaketanga tonu. Ka whakahou tonu, ka whakapai ake i a maatau hua, ka mahi tahi me nga kaihoko, me te whakarato ratonga whai muri i te hokonga. Tena koa whakapiri mai ki a maatau mehemea kei a koe etahi hiahia.
