Choteteza Chosagwira Mutu wa Pan Y – Mtundu Wachisanu ndi Chimodzi Lobe Chodziteteza Chokha – Kugogoda Ulusi Woteteza Screw

Zomangira zachitetezo izi zili ndi mutu wa pan, mtundu wa Y, six-lobe tamper, ndi ma drive a triangle kuti zitetezedwe bwino polimbana ndi kuba. Ndi zodzigwira zokha komanso ulusi wa makina, ndi zabwino kwambiri pa zamagetsi, malo ogwirira ntchito anthu onse, zida zamagalimoto, komanso zomangira zolondola zomwe zimafuna kulumikizidwa bwino.