scribe it and inlay oak
then temporary set up the railing for hole placements
pre - drill slightly smaller holes and then screw "tap them"
create threads .........yes in wood
install those 1/2 screw / half bolt studs
and then glue turn them in
use cap style nuts on the threaded end
to hold the railing on
You want to risk your arse on screws with your full weight on it in 8 foot seas??? Bolts with backing plates for a reason.....
Bill, those things deflect under side load. They're OK for cabinets or take apart projects.
“Americans have the right and advantage of being armed, unlike the people of other countries, whose leaders are afraid to trust them with arms.” – James Madison.