Takaitaccen Bayani:

Nau'in: An yi shi da bututun ƙarfe maras nauyi wanda aka yi da bututun ƙarfe na ƙarfe Kammala: Black, Hot-depped Galvanized, Electric Gavanized Standard: American Standard ASTM A733 Bututu Standard: ASTM A53 Thread: ANSI B1.20.1 DIN Standard DIN2982 Bututu: DIN2440 Zaren: DIN2999 British Standard EN10241 bututu: BS1387 Zaren: BS21 Girman: 1/8 "-6"