Amandongomane afakiweyo nawo abizwa ngokuba ngamandongomane eCastle anzima.Amandongomane e-castle anezakhiwo ezithandathu ezingaphezulu njengezakhiwo kumphezulu wenqaba ngaphezulu kweringi njengesakhiwo kwi-hex nut kunye neeflethi ezinkulu kwaye zingqindilili xa kuthelekiswa namandongomane aqhelekileyo.Zisetyenziswa kunye neebholiti okanye izikhonkwane ezinomngxuma ogrunjwe ecaleni komngxuma ogrunjwe kwicandelo lawo elinemisonto.Emva koko i-pin ye-cotter ifakwe kuyo ukukhusela ukuba ingajikelezi.
Senza imilinganiselo yeendongomane ezahlukeneyo ezingqukuva ezifana ne-m12, m6, m8, m4, m10 kunye ne-m5 ngaphandle kobukhulu obucwangcisiweyo, bonke bahlangabezana neenkcukacha eziyimfuneko ezingqukuva.Siyaqinisekisa ukuba zonke ii-nuts ezijikelezayo ezinobungakanani obubandakanya i-1 / 4-20 i-nut ejikelezayo iyahambelana nemigangatho ye-nuts ejikelezayo ukuze ihambelane nokusetyenziswa kwamantongomane ajikelezayo.