A na-eji FB-42 Split Set Bolt dị ka ihe ọzọ na-akwado esemokwu bolt stabilizer nke FB-47 Split Set Bolt maka ọrụ dị n'okpuru ala ma ọ bụ n'elu ala na ogbunigwe, ọwara ma ọ bụ mkpọda ma ọ bụ n'ebe ọ bụla a chọrọ nkwado ala a pụrụ ịdabere na ya, karịsịa na mmepe na mmepụta jumbo mechanized.Anyị FB-42 Split Set Bolt mere site na akwa ígwè ígwè dị elu nke nwere ọkwa dị ala nke Si & P na chemical components iji mee ka arụmọrụ zuru oke na nkwado ala, ma nyere aka inwe ezigbo mma na galvanizing.