-
Usha xadhkaha leh/ Stud Bolt/ Barka dunta/B7 Stud Bolt
Usha birta ah ee B7 waxaa loogu talagalay alaabta birta ah ee Aloy ee weelasha cadaadiska, valves, flanges iyo tuubooyinka tuubooyinka loo isticmaalo heerkulka sare ama xaaladaha cadaadiska sare ama ujeedooyin gaar ah,