Spiral Bevel Gear an fi bayyana shi azaman kayan aiki mai siffar mazugi wanda ke sauƙaƙe watsa wutar lantarki tsakanin gatari biyu masu tsaka-tsaki.
Hanyoyin kera suna taka muhimmiyar rawa wajen rarraba Bevel Gears, tare da hanyoyin Gleason da Klingelnberg sune na farko. Waɗannan hanyoyin suna haifar da gears tare da siffofi daban-daban na haƙori, tare da yawancin kayan aikin da aka kera a halin yanzu ta hanyar amfani da hanyar Gleason.
Matsakaicin mafi kyawun watsawa don Bevel Gears yawanci ya faɗi cikin kewayon 1 zuwa 5, kodayake a wasu matsanancin yanayi, wannan rabo zai iya kaiwa har zuwa 10. Za'a iya ba da zaɓuɓɓukan gyare-gyare kamar gunkin tsakiya da maɓallin kewayawa bisa takamaiman buƙatu.