MSSC Manufacturing Processes and Production Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the minimum size difference required for a counterbore compared to the socket head it accommodates?

1/32"

1/64"

The minimum size difference required for a counterbore compared to the socket head it accommodates is typically 1/64". A counterbore is designed to create a recess that allows the head of the socket head screw to sit flush with or below the surface of the material in which it is being installed.

The dimension is important because it ensures that there is enough space for the head of the screw to fit within the counterbore without causing interference. A space of 1/64" is generally sufficient to allow for variations in production size and tolerances of the socket head screws, ensuring they can be easily inserted and seated properly. This margin is critical to maintain the integrity of the assembly and prevent issues like binding or misalignment during installation.

The other options suggest larger size differences, which may not be necessary for proper counterbore functioning and could lead to excessive clearance, making the assembly less stable.

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1/8"

1/16"

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