Installation of metal railing on stairs is a relatively easy process that can be completed with a few simple tools. First, measure the width of the stairs and cut the railing to fit using a hacksaw or power saw. Bore pilot holes in the railing posts and attach them to the wall with screws. Finally, attach stair brackets to the bottom of the railing posts and secure them to the stairs using screws or nails.

There are a few different ways to install metal railing on stairs. The two most common methods are either to use stair brackets or to weld the railing directly to the stairs.If you're using stair brackets, you'll need to first measure the height and width of your staircase. Then, mark where the brackets will go and drill holes into the stairs. After that, it's just a matter of screwing in the brackets and then putting the railing in place.If you're welding the railing directly to the stairs, you'll need to first measure and mark where it will go. Then, weld it into place and grind down any rough edges.