MM-B-25 - Neodymium Counterbored Mounting Magnet - 25mm Dia

• Dimensions:
      D=25mm (0.98")
      d1=5.5mm (0.22") (Sized for M5 screw)
      d2=10mm (0.39") (Straight counterbored hole)
      h=8mm (0.31")
• Material: NdFeB, Grade N38
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Axial (Poles on Flat Ends)
• Weight: 0.77 oz. (21.8 g)
• Pull Force: 30.9 lbs
• Surface Field: N/A
• Brmax: 12,600 Gauss
• BHmax: 38 MGOe

The MM-B style is a flat mounting magnet with a straight hole through the magnet to recess a screw or bolt head. These mounting magnets are incredibly useful for when you need to securely fasten a magnet to your project.