Self Drilling Screws Tare da Wing, wanda ya haɗa da kai, sanda, yanki mai yankewa da kunnuwa biyu, an saita sanda a kai a ƙasa, sandar an ba da zaren, an saita sashin yanke a ƙarshen sandar. , an samar da sashin yankan tare da yankan tsagi, an ce yankan sashin diamita ya yi ƙasa da diamita na kasa na zaren da ke kan sanda, an saita kunnen clip ɗin daidai a cikin tushen yankan ɓangaren, aikin kunnuwa shine lokacin tapping ɗin. farantin yana iya kunna reaming, ba don goyan bayan farantin ba An ƙera kunnuwan ne don sake ramin ramin lokacin da ake danna allo, ba don cire allo ba, kuma don ba da damar kan dunƙule ya nutse gaba ɗaya a cikin allo bayan shigar da shi.