Imashini ikora CZ purlin irashobora gushushanywa na Z, iyo niyo mashini ikora CZ purlin, ifite ubunini butandukanye bwa 100-300mm, amaseti atatu yo gukubita, hamwe nubunini bwibikoresho bya 1.5-3.0mm, ibyo bikaba byujuje ibyifuzo bya purline zitandukanye kuri isoko.kandi imashini ya C purlin gusa kuva kuri santimetero 3 kugeza kuri 10, cyangwa umwobo wa punch cyangwa ubunini bwibikoresho fatizo.