Flashes flanges na samar da sauki ga tsaftacewa, dubawa ko gyara. Yawancin lokaci suna zuwa siffofin zagaye amma za su iya zuwa cikin square da siffofin real. Flanges an haɗa su da juna ta hanyar bolting kuma sun shiga cikin tsarin pipping ta hanyar walda ko an tsara su ga takamaiman matsin lamba; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb and 2500lb.
Astm A105 shine mafi yawan amfani carbon karfe na carbon karfe wanda aka yi amfani da shi don samar da abubuwan haɗin bututun, alal misali, fashin kwamfuta da kuma fashin kananan diamita.