Strong Neodymium Fishing Magnets 20kg Rare Earth Magnet High Power with Handle for Retrieving in River and Magnetic Fishing

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  • Keep away from pacemakers.
  • Powerful magnets can hurt your fingers.
  • Not for children, parental supervision required.
  • Please wear a pair of gloves when you handle them for your safety.
  • All magnets may chip and shatter, but if used correctly can last a lifetime.
  • The maximum working temperature of neodymium iron boron magnetic is 176 F (80 C)

$3.00

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Models of the Strong Neodymium Fishing Magnets

Model D(mm) D1(mm) M(mm) h(mm) H(mm) H1(mm) Weight (g) Maximum Pull-Off Force (kg)
D8 8 4.5 M3 4.5 11 34 4 1
D10 10 6 M3 5 12.6 34 5 2
D12 12 6 M3 5 12.6 34 7 4
D14 14 6.5 M4 4.5 12 35 10 5
D16 16 6.5 M4 5.2 13.5 35.7 12 8
D18 18 6.5 M4 7.2 13.8 37.8 16 10
D20 20 6.5 M4 7.2 15 37.8 21 14
D25 25 7.5 M5 7.7 17 44.9 33 24
D32 32 10 M6 7.8 18 47.8 54 36
D36 36 10 M6 7.6 18.5 49.8 64 45
D40 40 10 M6 7.8 18.8 50.1 87 55
D42 42 10 M6 8.8 18.8 50 93 66
D48 48 12 M8 10.8 24 61 150 85
D55 55 12 M8 12 28 63 231 120
D60 60 12 M8 15 28 66 305 140
D75 75 17 M10 18 35 85 627 230

Several Important Factors Affecting the Strong Neodymium Fishing Magnets

1.Only when the thickness of the tested steel reaches a certain level, the magnetic flux through its cross section would be the largest and the leakage magnetic field between the magnetic poles is the smallest, the tensile energy can reach the ideal value.
2.Only when the force is perpendicular to the contact surface can the tension reach the maximum. When the force is parallel to the contact surface, the pulling force can only reach 1/3 maximum.
3.Magnets attract only magnetizable materials such as iron, cobalt, nickel and their alloys. It can not attract non-ferromagnetic plates such as aluminum, copper, wood, plastics and stainless steel.
4.The farther the magnet is from the magnetic material, the greater the leakage magnetic field and the smaller the pull force would be. Therefore, the surface paint adsorbed by magnets is also an important factor affecting the pulling force of magnets.

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