10x4mm Countersunk Magnet MOQ 2000PCS

10x4mm Countersunk Magnet MOQ 2000PCS

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10x4mm Countersunk Magnet MOQ 2000PCS

Strong Neodymium Countersunk Magnet Description

Neodymium Countersunk Magnets and Counterbored Magnets. Great for many applications including door/cabinet closures, hanging art on a wall, and more 

Neodymium Countersunk magnets are extremely popular neodymium disc magnets with a countersunk central hole to allow the magnet to be easily fastened into place for a temporary or permanent fitting.

All our neodymium countersunk magnets are available with a countersink on the north face of the magnet or on the south face.


Place of origin China
Item ID C-02
Material NdFeB
Shape Disc
Diameter 10mm
Thickness 4mm
Tolerance ±0.03mm for diamater   /thickness, ±0.1mm for width/ length
Direction of magnetisation axial (parallel to height)
Coating Nickel-plated (Ni-Cu-Ni),can be Customised  Gold, Silver, Copper, Epoxy, Chrome, etc)
Grade Customized  N35 N38 N40 N42 N45 N48 N50 N52 ……
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


2D drawing of a countersunk hole magnet as bellowed for your ref:

(this will help you make a easy communication with us)

Ring (D=10mm   H=2mm  )

Countersunk( d1=6mm  d2=3mm   thickness=0.5mm OR chamfer=45° )

2D drawing of countersunk magnet-jintong magnet2018.08.04

Product Details

  size of magnet1

size2 of magnet

size of magnet4

size of magnet2

countersunk magnet


 Neodymium magnet production processing

Hydrogen explosion+Jet  milling+Sintering+Hypoxia operation process

Sintered NdFeB is the most  widely used rare earth/ permanent magnet material. The metallurgy powder was process  into micro-powder through special Sintering Craft. 

The production process includes formula design, cast string, hydrogen explosion,Jet  milling, mixing, molding,Vacuum furnace Sintering , grinding, polishing,

surface treatment(coating), packaging . through the( HD+JM+LOP )craft ,the neodymium magnet was feature with  high coercivity and high working temperature.


production flow_m





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