2 x research source yellow plugs fit into 5 0 mm holes and work best with screw sizes 3 and 4 but can be used for screw sizes 3 through 8.
Wall plug size guide.
Size according to plug type and the weight of load.
The base material whether it is a solid concrete stone etc or hollow material brick breeze block plasterboard etc.
In this video i show how to use wall plugs and how to select the right size wall plug screw and drill bit.
In masonry you always have the option to re drill the hole one size bigger drilling through the existing wall plug and use a bigger plug red up to brown for example.
These alternatives to wall plugs and screws are good for fixing.
Installing a fixing will almost always require the use of a drill except when working with plasterboard or in certain other cases.
If a small screw is used it might not provide the right expansion which might result in loose wall plug.
I provide a wall plug colour chart for quick iden.
So why bother with it.
There are several different sizes of wall plug all of which are different colours to match the different hole size and screw size.
As a general rule.
The yellow plugs shown in.
Choosing a wall fixing to suit your needs.
More precisely the wall plug size will change based on the drill bit used to create the hole.
Fixings should be selected according to.
When the right size is used the screw helps to expands the wall plug to make it more secure in the wall.
Gauge metric equivalent pilot hole clearance hole masonry plug size.
Choose the correct size of plugs and drill bits for your screws.
14 16 orange wall plug masonry bit.
Wall plugs are the most commonly used type of fixing device they are simple to use and give good results with a simple wood screw.
General tips incidentally gauge relates to the thickness of a screw s shank or body and only relates to imperial sized screws.
Moulded plastic wall plugs are produced on plastic trees with the size of drill bit printed on the tree.
Gauge size clearance holes pilot holes and plastic masonry wall plugs.
Some manufacturers make different sized wall plugs in different colours but take care as colours are not standard across all brands.
Here s a table of screw data i ve put together based on my own experiences over the years because i find manufacturers recommendations are often too general or non specific.