The washer under the screw head should seal to the surface of the panel without bulging or shifting.
How do i intall sheet metal screws to cement.
Install a screw tip attachment in the drill.
Install the roofing screws vertically along each rib in the panel.
Drive 1 inch sheet metal screws through the holes in the flange and securely into each anchor.
Try the concrete screw first and if it does not grab in the hole you can make the hole larger and insert a plastic or metal expansion shield and install a regular screw to the shed floor.
I used an anchor kit that includes the anchors screws and drill bit link is below.
Both systems work well.
Step 2 hold the steel in the position that you want to attach it to the concrete.
Secure the screws but do not overtighten.
Use a steel drill bit the size of the bolt for the concrete anchors you are using.
Set screws first at each end of the metal framing track and then every 3 ft.
Lay out the position of the track strike chalk lines and drill a hole through the metal and into the concrete the full length of the screw.
Try to get the concrete screw to go at least an inch into the concrete.
Simply drill a hole into the concrete hold the fixture you re fastening over the hole then use a hammer to tap the anchor into.
Use a hammer drill fitted with a carbide tipped masonry bit.
Each anchor consists of an unthreaded pin set into a metal sleeve.
Repeat the procedure to clean the remaining openings.
In this video i m sharing an easy way to screw into concrete block.