Hex Bolt
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Mtengo wapamwamba wa fakitale ya mtedza wopangidwa ku China
Mtedza wa hex (womwe umatchedwanso kumaliza hex mtedza) umapezeka mu ASTM A563-A ndipo umagwirizana ndi ma bolts otsika a carbon steel monga ASTM A307, ASTM F1554 grade 36, SAE grade 2, ndi AASHTO M183.Mtedza wa SAE giredi 5 ndi giredi 8 nawonso umapezeka mumtundu womalizidwa.Popeza kuthira kuthirira kotentha kumawonjezera makulidwe a 2.2 mpaka 5 m'gawo la chomangira, mtedza wa hex umadulidwa mokulirapo kuti ulipire zokutira zosagwirizana ndi dzimbiri pa mabawuti.
