Product Details

D20x8mm Neodymium Countersink magnet for sale

Neodymium( NdFeB )magnets are the strongest type of rare earth magnet commercially available and are

manufactured in a wide range of shapes, sizes and grades. Shenzhen AIM Magnet Co.,Ltd was found in 2006

which is the role-model enterprise among magnets manufacturing industries in China. We own one-step

complete industrial chain from raw material blank, cutting, electroplating and standard packing.

Material	Sintered Neodymium-Iron-Boron (NdFeB)
Size	Various kinds or according to customers' request
Shape	Disc/ Customzsed (block,disc,Cylinder, Bar, Ring, Countersunk, Segment,hook,cup, Trapezoid, Irregular shapes ,etc)
Performance	N52/Customised (N33 N35 N38 N40 N42 N45 N48 N50 N52 …...)
Coating	Ni-Cu-Ni, Nickel / Customised (Zn,Ni-Cu-Ni,Ni,Gold, Silver, Copper, Epoxy, Chrome, etc)
Size tolerance	±0.05mm for diamater/thickness, ±0.1mm for width/length
Magnetization	Thickness Magnetized, Axially Magnetized, Diametrally Magnetized, Multi-poles magnetized, Radial Magnetized. (Customzied specific requirements magnetized)
Max. Working Temperature	Grade	Max. Operating Temperatures
	N35-N52	80°C (176°F)
	33M- 48M	100°C (212°F)
	33H-48H	120°C (248°F)
	30SH-45SH	150°C (302°F)
	30UH-40UH	180°C (356°F)
	28EH-38EH	200°C (392°F)
	28AH-35AH	220°C (428°F)
Applications	Neodymium(NdFeB) Magnet are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, printer, switchboard,packing box , loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, ect.

In order to quote you the best price, please provide us the following informations.

Shape	Block/Rectangle/Square	Disc/Round/Cylinder	Ring/Countersunk
Dimension	L (?) x W(? ) xT(?)	D(?) x T(?)	OD(?) x ID(?) x T(?)
	For other shapes,please tell more in details or drawing would be much appreciated.
Coating	Zn,Nickel,Ni-Cu-Ni,Epoxy,Au,Silver or other ?
Working Temperature	Normal or High temperature ?

Surface	Coating	Thickness (Microns)	Color	Resistance
Passivation		0-1	Silver Grey	Temporary Protection
Nickel	Ni+Ni	10-20	Bright Silver	Excellent against Humidity
Nickel	Ni+Cu+Ni	10-20	Bright Silver	Excellent against Humidity
Zinc	Zn	8-20	Bright Blue	Good Against Salt Spray
Zinc	C-Zn	8-20	Shinny Color	Excellent Against Salt Spray
Tin	Ni+Cu+Sn	15-20	Silver	Superior Against Humidity
Gold	Ni+Cu+Au	10-20	Gold	Superior Against Humidity
Copper	Ni+Cu	10-20	Gold	Temporary Protection
Epoxy	Epoxy	15-25	Black, Red, Grey	Excellent Against Humidity & Salt Spray
	Ni+Cu+Epoxy
	Zn+Epoxy
Chemical	Ni	10-20	Silver Grey	Excellent Against Humidity
Parylene	Parylene	5-20	Grey	Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria.