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Guy's Magnets 135mm x 28mm Ferrite Pot Magnet with 57mm steel boss & M14 eyelet bolt

Guy's Magnets 135mm x 28mm Ferrite Pot Magnet with 57mm steel boss & M14 eyelet bolt

Item Code (SKU): PM135/28-C8
From £26.910 Minimum purchase price £26.910
Minimum purchase price: £26.910
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12 - 34 - 78+
£26.910 each £24.850 each £23.850 each £22.560 each
  • Magnet inside steel cup measures 121mm diameter x 22mm thick +/-0.2mm manufacturers tolerance on any dimension
  • The height of the boss is 30mm with an internal M14 thread
  • The M14 steel eyelet, when screwed into place, is 55mm in height giving a total height of the eyelet and boss of 85mm
  • The eyelet has a 29mm hole for attaching rope.
  • Magnetised axially through the thickness
  • The pull of these magnets was tested in a test rig and will be at LEAST the figure shown
  • The vertical hold is 1/5th of the pull and is, therefore, only for guidance


This is a BEAST of a magnet!

The large ferrite C8 (Y35) disk is housed inside a steel shell which focuses the magnetism down to the exposed surface of the magnet. The poles of ferrite ring magnet are on the flat faces so that one flat face will be north and the other south. This makes these magnets ideal for use in treasure hunting, magnet fishing, metal recovery, anchoring and holding applications etc.  They are especially good for retrieving lost keys, lock keys, and other ferrous objects from fresh and salt water.

Ferrite magnets are also known by the name Ceramic or Strontium Ferrite magnets. Strontium (chemical symbol Sr) is element number 38 on the periodic table. This means it is an alkali earth metal. Ferrite magnets are manufactured by compressing an Iron Oxide and Strontium Oxide powder and then sintering at high temperatures.

This magnet is extremely dangerous and unsuitable for use by children of any age

ShapePot (Disk)
Diameter135 mm
Thickness28 mm
GradeC8 (Y35)
Pull330lb / 5291oz / 150000g
Vertical Hold66lb / 1058oz / 30000g
Max Temp80°C / 176°F
Weight2.56 Kg
135mm x 28mm Ferrite Pot Magnet with 57mm steel boss & M14 eyelet bolt

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