Waterproof O-ring self-sealing screws zvisungo zvekugadzira zvakagadzirirwa kupa kusarudzika yekuisa chisimbiso mumashandisirwo anoda kusapinda mvura, kupinza mhepo, uye kusingaite mafuta. Aya screws ane yakavakirwa-mukati O-ring inogadzira chisimbiso chakavimbika, kudzivirira kupinda kwemvura, mhepo, uye mafuta. Semugadziri anotungamira wezvigadzirwa zvemhando yepamusoro, tinopa huwandu hwakasiyana hwemvura yeO-ring self-sealing screws inosangana nezvinodiwa zvakasimba zvemaindasitiri akasiyana.