Best Screws For Concrete Posts

Use a thin drill bit otherwise the lag screws won t secure properly the post.

Best screws for concrete posts. Two 50 pound bags of fast setting concrete will set a 4 inch by 4 inch or a 4 inch diameter post in a 10 inch diameter hole 2 feet deep. The best feature of hammer set anchors is that they re quick to install. You don t have nuts and washers to fuss with. For example a 3 4 diameter anchor has a minimum embedment of 3 1 4 and a 1 4 anchor has a minimum embedment of 1.

Clean any concrete dust out of each hole you drill with a vacuum cleaner or wire brush. The best holding values are achieved when the concrete is hard and the embedment into the concrete is deep. Use 1 1 2 lag screws to secure the post into position. The first thing to do is put your drill into hammer mode and drill a hole in the concrete.

Concrete screws masonry concrete anchors. Consequently the last step when anchoring a post to concrete is to drill pilot holes with a drill machinery through the holes in the post anchor. Use enough water to saturate the dry mix. Concrete concrete block mortar and brick.

Step 3 pour water into the dry mix and allow it to soak in. These are great for hanging 3 4 in. Furring strips and metal brackets and straps. Best for attaching furring strips doors and electrical boxes in concrete brick stucco or blocks.

May be sealed to provide protection against corrosion. Feature alternating high and low threads with diamond cut notches for extra holding power.