Pre-drill Mounting Holes

What happens in this clip

After marking the bolt positions, use a drill (in this case, a DeWalt 20V MAX Lithium Ion drill) to pre-drill the mounting holes through the post base plate and into the deck boards. Ensure the drill bit size is appropriate for the screws or bolts that will be used to secure the post. Pre-drilling prevents splitting the deck material and makes driving the fasteners easier.

Goal: Create pilot holes for securing the post base.

What's used

Tools

• DeWalt 20V MAX Lithium Ion Drill DeWalt
• Corded drill
• Drill Bit

About the full video

This DIY project details the process of installing a deck post, focusing on proper spacing from a house wall (stucco or siding) and precise leveling using specialized shims and tools like a speed square, drill, and impact driver.

Step 2 of 11: Drill Post Mounting Holes

Using a drill and an appropriately sized drill bit, create pilot holes at each marked post location. The size of the drill bit should correspond to the screws or bolts that will be used for mounting the posts. If mounting to wood, pre-drilling prevents splitting. If mounting to concrete or masonry, use a masonry bit and appropriate anchors. Ensure the holes are drilled straight and to the correct depth.

Open this step in the guide

Other videos for this step

• Pre-drill Post Mount Holes
• Install Base Posts