Sealing screws, inozivikanwawo se-self-sealing screws kana sealing fasteners, inyanzvi masiruu zvikamu zvakagadzirirwa kupa yakachengeteka uye inovuza-uchapupu chisimbiso mune akasiyana maindasitiri nemakanika maapplication. Aya screws ane dhizaini yakasarudzika inosanganisa chinhu chekuisa chisimbiso, chinowanzo resilient O-ring kana washer, iyo inosanganiswa muchimiro che screw. Kana iyo yekuisa chisimbiso ikasungirirwa panzvimbo, chinhu chekuisa chisimbiso chinogadzira chisimbiso chakasimba pakati pescrew nenzvimbo yekubatanidza, kudzivirira mafambiro emvura, magasi, kana zvinosvibisa.