Best Screws For Concrete Posts

These are great for hanging 3 4 in.

Best screws for concrete posts.

Use 1 1 2 lag screws to secure the post into position. You don t have nuts and washers to fuss with. Concrete screws masonry concrete anchors. Just drill the hole to the right depth and hammer it home.

Use a thin drill bit otherwise the lag screws won t secure properly the post. May be sealed to provide protection against corrosion. Best for attaching furring strips doors and electrical boxes in concrete brick stucco or blocks. Concrete concrete block mortar and brick.

The best holding values are achieved when the concrete is hard and the embedment into the concrete is deep. The larger the diameter the higher holding values the anchor will have. Use enough water to saturate the dry mix. To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors.

Furring strips and metal brackets and straps. 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. Feature alternating high and low threads with diamond cut notches for extra holding power. The first thing to do is put your drill into hammer mode and drill a hole in the concrete.

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. 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.