As an educated guess..........
There came a point during production, that the normal Hex Head Bolt was running low or were out of, and the (IH or CCC) frantically found a Vendor that could supply a substitute for the least cost. And that is what they came up with.
I am sure, since the Parts Manuals substantiate it, that the original part called for was the Hex Head Bolt.
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[B]Roland Bedell[/B]
CC Models: 100, 105, 1450, 782, (2) 784, & 2072
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