A 6.35 mm / 1/4 in drill bit should do the job for seating #8 x 32 mm / 1.25 in screws.
What size drill bit do I need to drill the pilot holes for solar panel and fixture mount?
A 6.35 mm / 1/4 in drill bit should do the job for seating #8 x 32 mm / 1.25 in screws.
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