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    These cup magnets are 0.625" Outside Diameter x 0.158" Inside Diameter and 0.200" Thick. They are mounted with an ANSI #6 screw. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. The cup is un-plated mild steel. The magnet is slightly recessed to allow the durable steel cup to contact the surface, protecting the magnet. Their individual pull force is approximately 13.8 lbs. Maximum working temperature is 176 F (80 C).

    Part Number CUP0302
    Imperial Dimensions 0.625 inch outside diameter x 0.158 inch inside diameter x 0.200 inch thick
    Metric Dimensions 15.9mm outside diameter x 4.0mm inside diameter x 5.1mm thick
    Recommended ANSI Screw Size #6
    Material Sintered Neodymium-Iron-Boron (NdFeB), Mild Steel
    Shape Cup Ring
    Plating Ni-Cu-Ni (Nickel) on Magnet, Steel Cup is Un-plated
    Magnetization Direction Thickness
    Grade N40
    Pull Force (lbs[kg]) 13.8[6.3]
    Surface Field(G) 3980
    Maximum Operating Temperature 80 Deg C (176 Deg F)
    Dimensional Tolerance +/-0.005"
    Magnet Quantity 6
    Volume (cm3) 0.05
    Weight (g) 0.24
    Brand Magcraft
    Packaging Magpak Tube
    UPC 875661003024
    Remanent Flux Density Br (kG [T]) 12.5-12.8 [1.25-1.28]
    Coercivity HcB (kOe [kA/m]) >=11.3 [>=923]
    Intrinsic Coercivity HcJ (kOe [kA/m]) >=12.0 [>=995]
    Maximum Energy Product Bhmax (MGOe [kJ/m3]) 38-41 [302-326]
    Magnet Density p(g/cm3) >=7.45
    Magnet Compression Strength (Mpa) 600-1200
    Magnet Bending Strength (Mpa) 150-380
    Magnet Vickers Hardness (HV) 460-660
    Magnet Recoil Permeability (urec) 1.05
    Magnet Electrical Resistance (Ohm*mm2/m) 1.25-1.55
    Magnet Curie Temperature Tc (�C) 310
    Magnet Thermal Expansion Coefficient 100�C//(x10^-6/K) 6
    Magnet Thermal Expansion Coefficient 100�C?(x10^-6/K) -1


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