The standards weren’t the cheapest due to the cost of the PVC sleeve, but I didn’t trust myself to drill a true hole all the way through a 4x4 without a press. If you do elect to go the all-wood route, I suggest getting a 1/2" spade bit (specifically for wood). They chew up wood for dinner, instead of the other kind which you need to back the drill out out all the time to clear the flutes. You might use the “normal” kind to clean up the hole after it’s in, because the wood bits can leave a rough edge.
NOT like this:
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YES like this:
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