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Magnet, smallest iron, 8X4mm

Magnet, smallest iron, 8X4mm

Ref: mag-sp-fe-8X4


Price: (99 or fewer items) 0.25 Including VAT
Price: (100 to 999 items) 0.14 Including VAT
Price: (1000 or more items) 0.06 Including VAT

Quantity:  

{Summary}

Limited quantity, once these are sold there are no more.

Material: iron.

Shape: round

Size: 8X4mm

Very small. Buy a few.

How does this compare with our other (most powerful, Neodymium) magnets?

This is a very low value item. We have a minimum order charge of 7.50 (6.25 + VAT). Is this the only item you require? You may wish to buy more than one, or add some other items to the order.

{Uses for testing}

Gold and silver are not magnetic. So when you are presented with dozens of items to test, save time by picking out all the items that are magnetic.

This does NOT mean that there are special magnets for testing gold and silver. If an item is NOT magnetic, it could be any one of hundreds of metals (including gold and silver).

Silver is strongly 'diamagnetic'. If you slide an appropriate magnet down a flat silver surface (e.g. a coin) it will move slowly instead of 'falling off'. Copper is slightly diamagnetic. See our 'magnets for silver testing' - a set of 3 magnet, a sample copper coin and instructions.

Copper is not magnetic, neither is brass (a mixture of copper and zinc) or bronze (a mixture of copper and mostly tin). A magnet is useful because many copper / bronze / brass items are really steel that has been plated and will (in most cases) be very magnetic. As with gold and silver: if an item is magnetic it is not solid copper / bronze / brass.