Sunan samfur: sinadari anka bolt
Saukewa: M6-M48
Matsayi: 4.8-12.9
Abu: 40Cr/35Crmo/ Karfe Karfe
Maganin saman: baki
Misali: GB/T 70.1-2008
Takaddun shaida: ISO9001
Amfani: Haɗin ƙulla hexagonal na ciki yana da ƙarfi mai ƙarfi kuma ana amfani da shi sosai a cikin ginin kayan aikin injiniya, aikin jirgin ruwa, kayan aikin injin da sauran abubuwan haɗin gwiwa.