Hoʻohana nui ʻia i nā manawa koʻikoʻi me nā koi pololei, a ma lalo o ka hopena nui, vibration a i ʻole nā haawe hoʻololi.Hoʻohana nui ʻia i nā alahaka a me nā alahaka, nā hale ʻoihana a me nā hale kīwila, nā hale kiaʻi, nā cranes.
Hexagon head bolt kiko'ī:
Ma nā ʻōlelo kikoʻī, hiki ke anawaena o nā poʻo hexagon he 4 mm, 5 mm, a i ʻole 100 mm, a he ʻokoʻa ma waena o ka kikoʻī a me ka lōʻihi maʻamau.A laila, aia ka mea, kekahi mea hao, kekahi hao, a laila ʻaʻole like ke kumukūʻai e pili ana, no ka hex bolts, ʻo ke ʻano o waho o ke poʻo wili he poepoe, ma ka waena he concave hexagonal shape, pili i nā wili hex, kona Hexagonal ke poo.