Kayayyaki
Madaidaicin ƙwayayen kulle suna ɗaukar na'urorin haɗi don screw drives.Ana amfani da su don cimma ma'anar ma'anar axial preload a cikin axial angular lamba ball bearings don dunƙule tafiyarwa da axial/radial roller bearings don dunƙule tafiyar.Hakanan ana amfani da madaidaicin ƙwaya a cikin wasu aikace-aikace inda dole ne a tallafawa manyan rundunonin axial kuma babban axial ya ƙare daidai kuma ana buƙatar rigidity.