Final answer:
In search of the closest fractional drill bit size to a hole size of 0.17187, the nearest size available is 0.177, which corresponds to 11/64 inches.
Step-by-step explanation:
The question pertains to finding the closest fractional size for a drill bit that corresponds to a decimal measurement of 0.17187. We have several drill bit sizes listed, but none match exactly. We must look for the closest match. The sizes provided are expressed in decimal and in parentheses, the fractional equivalent. Comparing the decimal sizes, the closest we have is 0.177, which is a 0.00513 difference from 0.17187. The fractional equivalent is 11/64 inches, which is represented by the 739 (1040) in the reference information. This fraction would be the most nearly equal to the required 0.17187 hole size.