Drill Chuck

A chuck is a specialized type of clamp used to hold an object with radial symmetry, especially a cylinder.

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Apollo 15 astronaut Dave Scott got his drill stuck on the moon during an experiment. When he reached a depth of 5.3 feet, lunar soil particles rode up the helix of the drill bit and halted its momentum, postponing his task. The drill chuck was later auctioned for almost $50,000 in 2016

Perseverance has Found a ‘Cat Hair’ in its Drill Chuck. What is it?