Self Drilling Screws With Mapiko

Self Drilling Screws With Mapiko, yomwe imaphatikizapo mutu, ndodo, mbali yodula ndi makutu, inati ndodo imayikidwa pamutu m'munsimu, ndodo imaperekedwa ndi ulusi, inanena kuti kudula mbali kumayikidwa kumapeto kwa ndodo. , mbali yodula imaperekedwa ndi kudula poyambira, anati kudula mbali m'mimba mwake ndi yaying'ono kuposa m'mimba mwake pansi pa ulusi pa ndodo, anati kopanira khutu waikidwa symmetrically muzu wa gawo kudula, udindo wa makutu ndi pogogoda mbale amatha kusewera reming, osati kuthandizira mbale Makutu amapangidwa kuti atsitsimutse dzenje pogogoda pa bolodi, osati kukoka bolodi, ndi kulola kuti mutu wa screw umire kwathunthu mu bolodi mutalowa.