MM-D-10 - Neodymium Female Stud Mounting Magnet - 10mm Dia

• Dimensions:
      D=10mm (0.39")
      d=3mm (0.12") (M3 Coarse Female threaded stud)
      H=12.5mm (0.49")
      h=5mm (0.20")
      M=6mm (0.24")
• Material: NdFeB, Grade N38
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Axial (Poles on Flat Ends)
• Weight: 0.14 oz. (3.86 g)
• Pull Force: 4.70 lbs
• Surface Field: N/A
• Brmax: 12,600 Gauss
• BHmax: 38 MGOe

The MM-D style is a flat mounting magnet with a female threaded shaft permanently attached. If you need a magnet to attach to something threaded, this is what you need.