Tighten the fastener until it s secure.
How to anchor exterior walls to concrete.
Slip the concrete sleeve anchor into the hole.
The rule of thumb is a minimum of five anchor diameters from the unsupported edge of the concrete.
Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick.
Drop in the anchor and hammer on the pin to expand the bottom of the shield against the wall of the hole.
The top of the anchors must be aligned properly with the surface of the concrete wall floor or you won t be able to secure the hardware appropriately.
A hammer drive anchor requires only a small pilot hole.
How to anchor a two by four to concrete.
The anchor locations are marked by first determining where they need to be on the bottom wall plate.
The one shown requires only a 1 4 inch hole.
Insert a 3 8 inch masonry drill bit into a hammer drill.
You will need to drill a pilot hole when using any type of concrete anchor.
Regular drill bits will.
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.
Place a piece of tape on the shaft of the drill bit 1 1 2 inches or more up from the tip of the.
First drill the proper size pilot hole 3 8 in 1 2 in etc through the wood or metal and into the concrete.
Mark the location for the anchor.
Drill the hole at least 1 4 inch deeper than the length of the lower portion and vacuum or blow out the hole.
Once you have these spots marked on the plate holes can be drilled in the plate for later placement of the lag screws.
You should not use too much force otherwise you risk damaging the anchors or the floor.
Be sure to have plenty of extra bits on hand and use a can of compressed air or a blower to clean.
Each anchor consists of an unthreaded pin set into a metal sleeve.
Inserting anchors in concrete next you have to tap the concrete anchors gently by using a hammer.
Hold the object you re fastening firmly against the wall because the anchor will draw it only slightly tighter as you tighten the screw or nut.