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RoHS
Compliant
Availability: In Stock
Ships the same business day if order placed by 1:00PM ET weekdays.
Price Per Package: $17.99

    Quantity Discounts

    Number of Packages

    2-1920-5960+

     Price Per Package 

    $16.20$15.75$15.30
    Number of Packages:
    SPECIFICATIONS

    These disc magnets are 0.250 inch (6.4mm) diameter and 0.063 inch (1.6mm) thick. 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. Maximum working temperature is 176 F (80 C).

    Part Number NSN0657
    Imperial Dimensions 0.25 inch diameter x 0.0625 inch thick
    Metric Dimensions 6.35mm diameter x 1.5875mm thick
    Material Sintered Neodymium-Iron-Boron (NdFeB)
    Shape Disc
    Plating Ni-Cu-Ni (Nickel)
    Magnetization Direction Thickness
    Grade N40
    Pull Force (lbs[g]) 1.35[612]
    Surface Field(G) 2528
    Maximum Operating Temperature 80 Deg C (176 Deg F)
    Dimensional Tolerance +/-0.005"
    Magnet Quantity 80
    Volume (cm3) 0.05
    Weight (g) 0.38
    Brand Magcraft
    Packaging Magpak Tube
    UPC 875661000573
    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]
    Density p(g/cm3) >=7.45
    Compression Strength (Mpa) 600-1200
    Bending Strength (Mpa) 150-380
    Vickers Hardness (HV) 460-660
    Recoil Permeability (urec) 1.05
    Electrical Resistance (Ohm*mm2/m) 1.25-1.55
    Curie Temperature Tc (°C) 310
    Thermal Expansion Coefficient 100°C//(x10^-6/K) 6
    Thermal Expansion Coefficient 100°C?(x10^-6/K) -1

    Documents

    RoHS Certificate
    2D CAD Drawing
    Specification Sheet
    IGES CAD File
    STEP CAD File
    Customer Service Available Monday- Friday 8am - 5pm ET
    Contact us: Magcraft EMail Image or Give us a call: (888)774-6005