Wrong Size Lag Screws For Angle Bracket

Here's a problem I even dealt with as a stair builder, especially after the job foreman instructed me that we needed to install angle brackets like those in the picture above with lag bolts or screws, after the stairway was completed.

Sometimes using the recommended lag screws will be difficult, especially after you have other parts of the stairs like the steps themselves "blocking the space required" to actually install the correct sized lag bolts.

You should always check with the manufacturer of the building hardware you're planning on using and make sure you're going to use the correct fasteners like lag bolts, bolts, nuts and washers or screws. Remember, the manufacturers of these products have thoroughly tested them and have a pretty good idea what's required to provide the property owner with a long lasting and durable stairway.