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ASVAB Full-length Test
Drill bits can be loosened and tightened using a ____.
Chuck key
Bit
Flux
Bender head
Detailed Explanation
The chuck is the part of a drill that holds the bit. A chuck key is used to tighten and loosen a drill bit. Handily, the chuck of some drills are now adjustable by hand and do not require a key.
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