You don t have nuts and washers to fuss with.
Best screws for concrete posts.
The best holding values are achieved when the concrete is hard and the embedment into the concrete is deep.
Furring strips and metal brackets and straps.
The larger the diameter the higher holding values the anchor will have.
The first thing to do is put your drill into hammer mode and drill a hole in the concrete.
Concrete concrete block mortar and brick.
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.
Feature alternating high and low threads with diamond cut notches for extra holding power.
Concrete screws masonry concrete anchors.
To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors.
Use 1 1 2 lag screws to secure the post into position.
These are great for hanging 3 4 in.
May be sealed to provide protection against corrosion.
Best for attaching furring strips doors and electrical boxes in concrete brick stucco or blocks.
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.
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.
Step 3 pour water into the dry mix and allow it to soak in.