Practical Design They have amazing functions and countless uses. It is Ferrite Magnetic hook, Grade 5.Data based on scientific measurementVertical Tension: 22 lbsHorizontal Tension:7 lbs1. We used A3 high quality steel as the test floor.2. After many measurements, we have obtained scientific and rigorous measurements by pulling the hook at a uniform speed on professional equipment.Several Important Factors Affecting the Tensile Force1.In order to achieve the ideal value of ensile energy, the thickness of the tested steel must be ensured to reach a certain level.2.In order to reach the maximum tension, the force must be perpendicular to the contact surface. When the force is parallel to the contact surface, the maximum pulling force may readuce 2/ 3.3.It can not attract aluminum, copper, wood, plastics and stainless steel.4.The farther the magnetic hook is from the material, the smaller the pull force would be. Therefore, the surface paint adsorbed by magnetic hook is also an important factor affecting the pulling force of magnets.
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