I-Spiral Bevel Gear idla ngokuchazwa njengesixhobo esimilise okwekhowuni esiququzelela ukuhanjiswa kwamandla phakathi kwee-asi ezimbini ezidibanayo.
Iindlela zokuvelisa zidlala indima ebalulekileyo ekuhleleni ii-Bevel Gears, kunye neendlela ze-Gleason kunye ne-Klingelnberg zezona ziphambili. Ezi ndlela zikhokelela kwiigiya ezinemilo yamazinyo eyahlukileyo, uninzi lweegiya ngoku zenziwe kusetyenziswa indlela yeGleason.
Umlinganiselo ofanelekileyo wothumelo lwe-Bevel Gears uwela phakathi koluhlu lwe-1 ukuya kwi-5, nangona kwiimeko ezithile ezinzima, lo mlinganiso unokufikelela kwi-10. Iinketho zokwenza ngokwezifiso ezifana ne-center bore kunye ne-keyway inokubonelelwa ngokusekelwe kwiimfuno ezithile.