Strong magnet, with anti-magnetic plate

:
ESCO

    【Product Specifications】
    ・Hole dia.…-1: 4mm, -2/-3: 5mm
    ・Weight…-1: 10g, -2: 30g, -3: 80g
    ・Alnico magnet (Alcomax)
    ・With magnetism…prevention plate
    ・No screw groove
    ・The magnet can be attached to an object with flat…head screws and nuts to fix the object withmagnet force. (See the figure illustrating how it is used.)
    ・Dim. (mm)…Dia. 28.6 x 8.7
    ・Magnetic force…50N (5kgf)
    ・Operating temperature…450℃ or less
    ・Corrosion resistance
    ・About magnetic prevention plate…Plate for magnetic and preventscratches when not in use. When using magnet, please use, after plate is removed.