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Guy's Magnets 17.5 mm x12. 5 mm x 2 mm C8 ferrite ring

Guy's Magnets 17.5 mm x12. 5 mm x 2 mm C8 ferrite ring

Item Code (SKU): RI17.5/12.5/2AC8
Minimum purchase price £3.276
Minimum purchase price: £3.276
Item in Stock  |  Usually dispatched within 24 hours
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12 - 2425 - 4950 - 99100 - 249250 - 499500 - 9991000 - 24992500+
£0.273 each £0.163 each £0.143 each £0.102 each £0.078 each £0.055 each £0.047 each £0.040 each

Technical Specifications

  • Outer Diameter: 17.5 mm (0.69")
  • inner Diameter: 12.5 mm (0.49")
  • Thickness: 2 mm (0.08")
  • Axially Magnetised through the thickness so that one flat face is north, the other is south
  • Weight: 1.15g
  • Grade: C8
  • Coating: None
  • Maximum Temp: 250°C / 482°F
  • Theoretical Maximum Pull: 0.1lb / 2oz / 39g
  • Calculated Max Vertical Hold-guidance only: 0.02lb / 0.4oz / 7g
    • Unsuitable for children under 5 – CHOKING HAZARD
    • Brittle, do not drop; do not allow these magnets to jump together or to an iron/steel surface - they will break, crack, chip or shatter.
    • Resultant chips and flakes will be sharp
    • Health and safety leaflet included with every purchase

These are most commonly used in MRO for motors, but can also be used for DIY holding applications and for crafting. Like all ferrite magnets, these offer excellent value for money when pull strength is not the most important factor. They have a high resistance to corrosion and demagnetisation, and can operate at higher temperatures which makes them ideal for holding steel during welding.

The pull is calculated using a mathematical formula and is, therefore, the theoretical maximum hold between one magnet and a mild steel plate. It does not take account of manufacturing tolerances, plating, plating thickness or variances in a mild steel plate. The vertical hold is based upon the calculated pull and is, therefore, only for guidance. Factors such as paint thickness, plasticised surfaces, movement and vibration are not taken into account.

Outer Diameter17.5 mm
Inner Diameter12.5 mm
Thickness2 mm
Pull0.1lb / 2oz / 39g
Vertical Hold0.02lb / 0.4oz / 7g
Max Temp250°C / 482°F
17.5 mm x12. 5 mm x 2 mm C8 ferrite ring

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We aim to ship all items as soon as payment is cleared. This means that items ordered and paid for by 12 noon (UK time) Monday-Friday are usually dispatched on the same day. Items ordered and paid for after 12 noon or over the weekend are sent on the next working day. We never charge excessive amounts for postage and packaging. Our P&P charges are made up of the Royal Mail charge for the service plus a small contribution towards the packaging materials, plus VAT, which we are legally obliged to charge.

EU CUSTOMERS IMPORTANT: You are will be required to pay import VAT (tax) at your local rate to your postal delivery service before any goods are delivered. Since 2021 you have not been charged British VAT (at 20%) on any purchases, however, with effect from 1 January 2022, the rules regarding importing from outside the EU changed and import VAT is now payable on any value of goods imported into the EU. This is separate to any tariff which may or may not be chargeable on the goods due to their country of origin. Please also note that we are legally required to declare the correct value of your purchase which is used to calculate the tax and any tariff duty. Failure to pay the import charges will result in the goods being returned to the UK.

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