Uru rutonde rwibikoresho byinzoka byakoreshwaga mubwato. Ibikoresho 34CrNiMo6 ya shaft yinyo, kuvura ubushyuhe: carburisation 58-62HRC. Ibikoresho by'ibikoresho 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 mumashini yinjira kugeza kumasoko.