I-drill chuck iyi-clamp ekhethekile esetshenziselwa ukubamba ibhithi elijikelezayo; ngenxa yalokhu, ngezinye izikhathi ibizwa ngokuthi i-bit holder. Kuma-drill, ama-chucks ngokuvamile anemihlathi eminingana ukuze avikele kancane. Kwamanye amamodeli, udinga ukhiye we-chuck ukuze ukhulule noma uqinise i-chuck, lezi zibizwa ngokuthi ama-keyed chuck. Kwamanye amamodeli, awudingi ukhiye futhi ungakhulula kalula noma uqinise i-chuck ngezandla zakho, lezi zibizwa ngokuthi ama-keyless chuck. Cishe wonke ama-drill angenazintambo afakwe ama-chucks angenakhiye. Nakuba ukusebenza ngama-chuck angenakhiye kukhethwa kakhulu ngenxa yokuba lula kwawo, ama-chuck anokhiye ahlinzeka ngokuvikeleka okwengeziwe ikakhulukazi ezinhlelweni zokusebenza ezinzima.