U-Type bolt hana mīkini

Hoʻohana ʻia kēia mīkini i ka hoʻokuʻu ʻana i ke alo，kamaʻalahi a maʻalahi ka hana.

Hoʻohana ʻia ka make ʻana i ka roller push ， ke kikowaena o ka umekaumaha a me ka nui ākea hiki ke hoʻoponopono ʻia.

ʻAʻohe deformation ma hope o ke kulou ʻana, haʻahaʻa haʻahaʻa，tʻO ka pāpale ka koho maikaʻi loa no ka bolt ʻano U

Hoʻokumu ʻia ka bolt ʻano U-ikaika kiʻekiʻe.