Neodymium magnets with countersunk holes for mounting magnets in place.Fitting countersunk hole with a standard flat head screw is definitely a good and secure way.There are various size neodymium magnets with countersunk holes which can be used as holding magnets,either as discs or rectangles.



Countersunk
magnets,refer to neodymium magnets with counterbored holes. Countersunk
magnets are used on boards and shelves asmagnetic holders,also could be
used as magnetic locks for doors.Fixing
curtain or door with a neodymium magnet is a good solution,but one of
the big difficulty is firmly fix the magnet onto the woods.



Main Manufacturing Process


Melting: In the melting furnance,the neodymium,iron,boron materals form as compund ingots.


Hydrogen demolish: Shatter the ndfeb ingots into ndfeb powders.


Airflow mill:The ndfeb powders will be milled into micron sizes.


Shaping: Ndfeb powders in the mold will be pressed as ndfeb ingot.


Isostatic Pressing: Bearing the isostatic pressure is a important process to enhance the magnetism and of ndfeb material.


Sintering:The sintering procedure, were processed in a sintering furnace under 800~1300 vacuum environments.


Cutting: After the slice cutting process,the sizes of magnets will become suitable rectangles.


Grind and polish:Neodymium
magnets had been ground before they were magnetized.We could produce
magnets with standard tolerances for magnets from the range +/-0.07,
+/-0.05, +/-0.03, +/-0.02,and 0.01


Supersonic processing: Neodymium
magnets are brittle materials and inclined to crack with impact. The
supersonic technique had been applied in making counterbored holes on
small size magnet.


Plating: Neodymium
magnets had been treated with electrical plating,otherwise it will rust
in the air. Platings that have been successfully applied to neodymium
magnets are epoxy plating,nickel plating,NICUNI plating,zinc palting.







Coatings available & Tests


Coatings Available: Zinc, NiCuNi, Epoxy, Gold, Silver, Tin etc.


Tests:


Plating Thickness Test,Salt Spray Test,PCT Test


Quality Guarantee


Shine
Magnetics has focused on quality control since its founding. Necessary
and strict checks and tests are taken in all production processes to
make sure any products made by us are trouble free. To work with Shine
Magnetics is to get the most reliable supplier of magnetic products. It
goes without saying that our magnetic products comply with the highest
quality standards. We are working continually to improve the quality and
process of the products.


Following Tests Could be made as per customers` requirements:


HAST Test: Test Condition: 132.9, 95% humidity, 2.9 ATM, 7 days
Weight Loss: 3mg/C








http://www.shinemagnets.com