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The three-jaw, plain bearing, key type drill chuck is also known as a __________ ________.

A. Jacobs chuck
B. Hammer drill
C. Ratcheting chuck
D. Impact driver

Answer :

Final answer:

The three-jaw, plain bearing, key type drill chuck is also known as a Jacobs chuck. It's named after its inventor, Albert Jacobs, and provides a strong, consistent grip on the tool being held.

Explanation:

The term you're looking to fill in the blank with is Jacobs chuck. The three-jaw, plain bearing, key type drill chuck is commonly known as Jacobs chuck. This type of chuck, named after its inventor Albert Jacobs, has a mechanism that uses three jaws in unison to hold onto the bearing of a drill bit. Principally used in drills and lathes, the Jacobs chuck has a cylindrical nature, with teeth that move simultaneously, ensuring a strong, consistent grip on the tool being held.

Learn more about Jacobs chuck here:

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