Uru rutonde rwibikoresho byinzoka byakoreshwaga mubwato.Ibikoresho 34CrNiMo6 ya shaft yinyo, kuvura ubushyuhe: carburisation 58-62HRC.Ibikoresho byinzoka CuSn12Pb1 Tin Bronze.Ibikoresho byinzoka yinyo, bizwi kandi nkibikoresho byinyo, ni ubwoko bwibikoresho bikoreshwa mu bwato.Igizwe ninzoka ya silindrike (izwi kandi nka screw) hamwe ninziga yinyo, nigikoresho cya silindrike gifite amenyo yaciwe muburyo bwa tekinike.Ibikoresho byinyo byangiza inyo, bigakora uburyo bworoshye kandi butuje bwogukwirakwiza imbaraga kuva mumashanyarazi yinjira kugeza kumasoko asohoka.

Mu bwato, ibyuma byinzoka bikoreshwa kenshi kugirango bigabanye umuvuduko wikizunguruka.Ibikoresho byinyo bigabanya umuvuduko winjiza, ubusanzwe uhujwe na moteri, kandi wohereza izo mbaraga