Neodymium Disc Magnet with Countersunk Hole Ø15mm X Ø4.3mm X 5mm /M4

SKU: NDC0013

Price:
Sale price$2.45
Stock:
In stock (300 units), ready to be shipped

Description

This Neodymium Disc Magnet with Countersunk Hole combines strength and precision for various applications. It features:
  • Outer diameter: Ø15mm (0.59")
  • Inner diameter (countersunk hole): Ø4.3mm (0.17")
  • Height (thickness): 5mm (0.20")
  • M4 thread for secure mounting with standard screws

Ideal for industrial, mechanical, and DIY uses, this magnet provides powerful magnetic force in a compact design, perfect for applications where reliable attachment and performance are needed. Its countersunk hole allows for easy integration into your projects with a flush finish. Contact us for bulk orders!

name Product Specifications SI CGS
shape
Diameter D 15 mm 1.5cm
omission S 8.6 mm 0.86 cm
Inner diameter ID 4.3mm 0.43 cm
High H 5 mm 0.5 cm
screw M 4mm 0.4 cm
Magnetization direction M Axial direction
surface treatment NiCuNi 12 μm -
Magnetic properties
Surface magnetic flux density B 320.1 mT 3201 Gauss
Suction force/
adsorption force
F 3.08 kgf 3080gf
Operating point
magnetic flux density
Bd 637.6 mT 6376 Gauss
total flux φo 0.00010341 Wb 10341 Mx
permeance coefficient PC 1.2pcs -
Upper limit temperature Tw 90 ℃ 194 °F
Material property
Material symbol neodymium 35
residual magnetic flux density Br 1170-1220mT 11.7-12.2 kG
Coercive force Hcb ≧868 kA/m ≧10.9 kOe
Intrinsic coercive force Hcj ≧955 kA/m ≧12 kOe
Maximum Energy Product BH 263-287 kj/m3 33-36 MGOe
temperature coefficient Br -0.12 %/℃ 31.78 %/°F
Hcj -0.55 %/℃ 31.01 %/°F
Heatproof temperature Tw ≦80 ℃ ≦176 °F
curie temperature Tc 310 ℃ 590 °F
density ρ 7.5 kg/m3 -
weight Net 0.00608 kg 6.08 g
remarks
REACH RoHS Directive

Warning

This product is not a toy and is unsuitable for children. Designed for scientific and industrial use, it contains strong Neodymium magnets that can be harmful if swallowed. These magnets are brittle and may chip or break upon impact. Handle with care. Please review the Warnings page before ordering.

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