ʻO ka mīkini paʻa no kēia nut he hoʻonohonoho ʻekolu mau niho paʻa.ʻO ke keʻakeʻa ʻana ma waena o nā niho paʻa a me nā kaula o ka bolt male e pale i ka wehe ʻana i ka wā haʻalulu.ʻOi aku ka maikaʻi o ke kūkulu ʻia ʻana o nā metala a pau no ka hoʻokomo ʻana i ka wela kiʻekiʻe kahi e hāʻule ai ka nati laka i hoʻokomo ʻia.ʻO ka flange non-serrated ma lalo o ka nut e hana ma ke ʻano he mea holoi i kūkulu ʻia e puʻunaue like i ke kaomi ma luna o kahi ʻāpana nui aʻe i ka ʻili paʻa.Hoʻohana maʻamau ʻia nā hua flange stainless i nā wahi wai no ka pale ʻana i ka corrosion, kaulana i nā ʻano ʻoihana like ʻole: kaʻa, ka mahiʻai, ka hana meaʻai, ka ikehu maʻemaʻe, etc.