The steel pot increases the adhesive force of the magnets giving them an incredible hold for their size. These magnets have an M3 threaded stud on the non-magnetic face; pot magnets are also available with countersinks and threaded studs.
eBay
25x10mm Round Super Strong Magnet Powerful Neodymium Magnets N35 NdfeB Permanent Magnetic imanes Refrigerator Magnet
Aliexpress UK
5mm x 2mm Strong Magnets N52 Condition is New. Perfect for sticking notes on fridge doors.Great for do-it-yourself projects.Ages: 7+ ages, both for kids and adults.Size: 5 x 2mm.
eBay
8x2mm Super Powerful Round Magnet Neodymium Magnet NdfeB N35 Strong Permanent Magnetic imanes Refrigerator Magnet
Aliexpress UK
Their size makes them incredibly versatile as they are small enough to be discreet but strong enough to be effective. Each magnet is coated with three layers of nickel, copper and nickel to give superior corrosion resistance and provide a smooth and clean finish.
eBay
8/10/12/15/18/20x3 Strong Magnet Countersunk Round NdFeB Neodymium Magnet Powerful Rare Earth Permanent Fridge Magnets with hole
Aliexpress UK
MAGMAN™ Ultra-High Performance N52 Neodymium Disc Fasteners. WHY CHOOSE MAGMAN N52 MAGNETS?. Our magnets provide maximum "pull-force" and "holding power.". Looking for the strongest fasteners on the market?.
eBay
6x2mm Super Powerful Round Magnet Neodymium Magnet NdfeB N35 Strong Permanent Magnetic imanes Refrigerator Magnet
Aliexpress UK
When magnetising two Neodymium magnets together, safely slide magnets together to avoid high impacts. These magnets are incredibly strong and never fail to impress. The magnets are coated in four layers of Nickel, Copper and Boron to enhance the lifespan of the magnet and the coating also provides a smooth finish.
eBay
Super Powerful Round Magnet with holes Neodymium Magnet NdfeB N35 Strong Permanent Magnetic imanes Refrigerator Magnet
Aliexpress UK
When magnetising two Neodymium magnets together, safely slide magnets together to avoid high impacts. These magnets are incredibly strong and never fail to impress. The magnets are coated in four layers of Nickel, Copper and Boron to enhance the lifespan of the magnet and the coating also provides a smooth finish.
eBay
60x10x3mm Super Powerful Block Magnet Neodymium Magnet NdfeB N35 Strong Permanent Magnetic imanes Refrigerator Magnet
Aliexpress UK
These large, thin rectangular neodymium magnets are axially magnetised between the two 130mm x 8mm rectangular faces and provide an incredible pull of 23.7kg. Each magnet is coated with three layers of nickel, copper and nickel to give superior corrosion resistance and provide a smooth and clean finish.
eBay
Super Strong Magnet N35 Round Magnetic NdFeB Powerful Neodymium Magnet imanes Refrigerator Magnets 4x2 5x2 5x3 6x2 6x3 mm
Aliexpress UK
Thickness:0.5mm 1mm 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm. Only suitable for people aged 14 and above. Magnets have strong magnetic properties. Do not swallow them. Do not directly smash, keep a certain distance after separation.
eBay
5mmx8mm Super Strong Round Neodymium Magnet Powerful Magnets N35 small Permanent Magnetic NdfeB Refrigerator Magnet 5x8
Aliexpress UK