China Neodymium And Ferrite Magnets Manufacturer & Supplier 
This article introduces a 15mm x 15mm x 5mm countersunk hole specification strong magnet magnetic force is considered very strong, the advantage is that it is fixed with screws, you can suck the decorations in the place you want to fix, for example, I believe that everyone's home will have an electrical box, the location of the electrical box is a lot of very conspicuous wall, so many people's homes will be decorated with paintings to the conspicuous electrical box! Cover up, not necessarily paintings, but also other decorations that can cover the electrical box, because the electrical box is generally made of iron, so this time the use of neodymium iron boron magnets is more than appropriate.
Material: neodymium iron boron magnet
Plating: nickel-copper-nickel three-layer plating
Specification: Square countersunk hole 15mm long, 15mm wide, 5mm thick, 3mm hole diameter.
The image below shows a 20mm width square countersunk magnets.
This thickness of 5mm so the magnetic force is full of strong, so not only can you use it to decorate your home, many hardware manufacturers will also use it to customize products to their customers, there is also a decorator will often use it to complete some magnetic construction, in fact, magnets are used in the life of the scope of quite a lot of you can also use it to develop their own unique products.
The plating is almost silver in color, so it looks good even when you lock it outside!
A lot of construction is often the need to manage the line, since the line will often need to use the line box, in fact, if you look carefully, the life of this line box with a lot of fixed in this way, there are sticky or lock, but there is also a is a strong magnet directly sucked in the top of the iron products, because the process of construction will certainly encounter a variety of different scenarios, there is a direct suction is the most convenient and the most practical. The most convenient and practical.
In fact, as long as you play a little imagination, I believe that neodymium iron boron magnets can create more value out of your products, such as you need to buy ready-made size or customized can send us an inquiry.
Other types of countersunk hole magnets;
It's worth taking a look at when you need a custom countersunk magnet;