I need to install a handrail in concrete steps. The problem is that after drilling ~2" (5 cm) down into the concrete, the drill bit wouldn't go any further. I suspect I'm hitting rebar. This is about 2 & 1/2" (64 mm) from the edge of the steps. The instructions for the handrail say I must drill 3 & 1/2 inches (89 mm) down for a secure hold. Then I attach a 1/2" inch (13 mm) threaded rod and secure it to the concrete with construction adhesive.
Would it be okay for both posts if I made a small mold, filled it with concrete, measured accurately, and drilled down through that?
Or I could buy a rebar-cutting drill bit. But I have concrete at home already. Thanks for any suggestions in advance. I won't be tackling the problem for at least another week, since my neuropathy makes it hard to deal with the heat (I don't sweat).