Question: How to cut and drill an L bracket?
Option 0: Cut four 11" pieces of your steel L bracket with your hacksaw fitted with an appropriate blade for metal. Use fine sandpaper to soften the sharp edges that result from cutting. Where gloves when sanding the sharp edges. On one side of each piece L-bracket, drill 3 holes for the bolts. On the other side of each piece, drill 6 holes for your screws.
Option 1: Cut four 11" pieces of your steel L bracket with your hacksaw fitted with an appropriate blade for metal. Use fine sandpaper to soften the sharp edges that result from cutting. Where gloves when sanding the sharp edges. On both sides of each piece L-bracket, drill 3 holes for the bolts. On the other side of each piece, drill 6 holes for your screws.
Answer: 0