I was thinking smaller but yes, countersunk bolts around the bowtie... OR...
Have about 2x6 area pan about 1/8 inch deep in the floor, paint this in the pan and fill it level with clear epoxy.
...err maybe not... epoxy would get scratched up and dull
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"They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety."
-- Benjamin Franklin
lib·er·ty
/ˈlibərdē/
noun
1.
the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views