Flat ɗin bututun ƙarfe shine nau’in babban bututun ƙarfe. Zai iya fesa siffa mai kama da alwatika, kuma sashin giciye na feshin kamar zaitun ko murabba’i. Fa’idar bututun fan ɗin lebur shine cewa zai iya samun fesa mafi girma yayin tabbatar da wani ɗaukar hoto. Ƙarfin tasiri, don haka ana amfani da irin wannan bututun don tsabtace farfajiyar abubuwa masu motsi, ko gwada samfuran motsi a cikin ruwan sama.

Mu masana’antar kera bututun ƙarfe ne daga China. Samfuranmu suna da inganci mai kyau da ƙarancin farashi. Kuna maraba da tuntube mu a kowane lokaci.