Izikrufu zentloko yesokhethi, ezikwabizwa ngokuba zizikrufu ze-Allen okanye izikrufu ze-hex socket, zisetyenziswa ngokubanzi iziqhoboshi kumashishini ahlukeneyo kunye nokusetyenziswa. Phantse iminyaka engama-30 yamava kumzi mveliso we-fasteners, umzi-mveliso wethu ugxile ekuveliseni iziqhoboshi. Sinikezela ngokhetho oluninzi kwaye sibonelela ngeenkonzo zokwenza ngokwezifiso ukuhlangabezana neemfuno ezithile zabathengi. Nokuba ilungiswa ngokusekwe kwiisampulu, imizobo, okanye iimfuno ezithile ezinje ngokufunwayo okanye ukukhanya, sinobuchule bokuzisa izikrufu ezikumgangatho ophezulu ezilungiselelwe ngokweenkcukacha zakho.