Tap the plastic anchor into the hole.
Using wall plugs in concrete.
Stop once the head of the wall plug is flush against the wall.
This would be the minimum length of screw that can be used.
Wall plugs are very versatile and using them you can add fixings for thermalite blocks brickwork stone walls or concrete providing the masonry material is in good condition.
The point of the concrete screws is they just need a pilot hole and don t need a wall plug.
Adding the 1 1 2 of the 2x4 plus a minimum of 1 embedment 2 1 2.
A 2x4 needs to be fastened to concrete.
However because the breeze block is quite soft it works much better with wall plugs.
After pushing it into the wall as far as possible with your fingers use a hammer to carefully push it in further.
If it does the universal version is likely to work well.
Drill a pilot hole at the proper location with a hammer drill and masonry bit to the depth your screw will penetrate.
An awl has the advantage of creating less drywall dust.
The usual method is to drill a hole of the correct size and then insert a plastic wall plug to screw into.
Using your fingers push the wall plug into the pilot hole.
Concrete concrete block mortar brick tile and stone.
When using a drill select a bit with a diameter that is slightly smaller than the diameter of the wall anchor for a tight fit.
I provide a wall plug colour chart for quick iden.
Masonry and concrete anchor types are considered light duty medium duty or heavy duty based on how much weight they can support.
Drill a hole in the wall for each anchor.
Concrete anchors types vary and include concrete screws hammer set anchors lag shields lead screw anchors plastic wall plugs anchor bolts and more.
It should fit snugly but drive in easily with a hammer.
Can you use wall plugs with concrete screws or are they only meant for being used with woodscrews.
If possible purchase wall plug and screw combos to ensure they will fit.
The 2x4 is 1 1 2 thick.
Thanks to any responders.
If the wall plugs and screws are sold separately test the screws by inserting them inside the plug.
Insert the plug into the pilot hole.
Jonniejoejonson 28 jun 2020.