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20mm x 4mm x 4mm Countersunk Neodymium Ring


Outside Diameter20mm
Inner Hole Diameter4mm
Direction Of MagnetismThrough Thickness
Magnet TypeNeodymium
Magnet GradeN45
Pull Force6.5 Kgs
Maximum Temperature80°C

All prices are exclusive of GST and freight.

Order QuantityPer Single Item
20-49$4.48Save 20%
50-99$3.92Save 30%
100-499$3.36Save 40%
500-999$2.80Save 50%
1000$2.52Save 55%

Best Prices Guaranteed
Highest stregnth, factory certified N45, N50 and N52 grades
No one beats our price, service or product quality

SKU: NRCS2044 Categories: ,


Our?20mm x 4mm x 4mm Countersunk Neodymium Ring has a diameter of 20mm, an inner countersunk hole (both sides) diameter of 4mm and a thickness of 4mm. These Neodymium rings are N45 Grade being axially magnetised (Through the thickness) and are nickel plated.

Customers can identify our 20mm x 4mm x 4mm Countersunk Neodymium Ring with our stock code: NRCS2044


Uses for our 20mm x 4mm x 4mm Countersunk Neodymium Ring:

All our Neodymium rings have a variety of applications. From high-quality audio speaker systems to screwdrivers. If a holding magnet is required, our Neodymium pot magnets are ideal. Because of their high power to size ratio, these magnets provide an effective solution. An environment where a small yet powerful magnet is required!

If you are wanting to use these ring magnets to construct door catches to hold doors open or shut. Simply attach one ring magnets into the top of one door and attach the other in the top of the door frame. When one comes near another they will want to attract and come together allowing. Creating an easy way to hold an internal door shut. An easy DIY projects anyone can do around their own home!



As a result of these being so powerful and wanting to attract to each other, we must warn you of some potential hazards.

  • Magnets can be deadly if ingested, not recommended for children.
  • Use eye protection while using our magnets because if two join with force they may break or shatter.
  • Magnets can wipe magnetic media such as credit cards, keep magnets away from these to avoid data loss.


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Additional information

Weight 0.02 kg
Dimensions 2 × 2 × 1 cm
Quantity discounts
1-19 20-49 50-99 100-499 500-999 1000+
NZD$5.60 NZD$4.48 NZD$3.92 NZD$3.36 NZD$2.80 NZD$2.52