List and describe the components of this thread note by specifying A through D: 1/2-13 UNC-2A [1/2=A, 13=B, UNC=C, 2A=D].
What will be an ideal response?
A = The major diameter of the thread in inches followed by a dash (-). The major diameter is generally given as a fractional value.
B = Number of threads per inch.
C= Series of threads are classified by the number of threads per inch as applied to specific diameters and thread forms, such as coarse or fine threads. In this example, UNC means Unified National Coarse.
D = Class of fit is the amount of tolerance. 1 means a large tolerance, 2 is a general-purpose moderate tolerance, and 3 is for applications requiring a close tolerance.
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What will be an ideal response?
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