Neodymium Magnets: Difference between revisions

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*40 cents 12x3 n52 - [http://m.ebay.com/itm/311723176686?_trkparms=aid=222007&algo=SIC.MBE&ao=1&asc=20150313114020&meid=2bec8a47c571460fb13a5088eaad4b41&pid=100338&rk=7&rkt=30&mehot=pp&sd=181726068645&_trksid=p2141725.c100338.m3726&_mwBanner=1]
*40 cents 12x3 n52 - [http://m.ebay.com/itm/311723176686?_trkparms=aid=222007&algo=SIC.MBE&ao=1&asc=20150313114020&meid=2bec8a47c571460fb13a5088eaad4b41&pid=100338&rk=7&rkt=30&mehot=pp&sd=181726068645&_trksid=p2141725.c100338.m3726&_mwBanner=1]
*20 cents @ 100, 12x3 n52 - [http://www.ebay.com/itm/lot-100-50-12mm-X-3mm-Neodymium-Disc-Strong-Rare-Earth-N52-Small-Fridge-Magnets/262826580902?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D20131003132420%26meid%3Def64f1d52581432f8f692c217c6a4b46%26pid%3D100005%26rk%3D1%26rkt%3D6%26sd%3D311353419284]
*20 cents @ 100, 12x3 n52 - [http://www.ebay.com/itm/lot-100-50-12mm-X-3mm-Neodymium-Disc-Strong-Rare-Earth-N52-Small-Fridge-Magnets/262826580902?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D20131003132420%26meid%3Def64f1d52581432f8f692c217c6a4b46%26pid%3D100005%26rk%3D1%26rkt%3D6%26sd%3D311353419284]
*17 cents 12x3 from china - [http://www.ebay.com/itm/10-100pcs-Neodymium-Disc-Super-Strong-Rare-Earth-N50-Fridge-Magnets-12mm-X-3mm/271966141120?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3Da4e551f3afe442f6ae95249f8d99f4fc%26pid%3D100338%26rk%3D3%26rkt%3D30%26mehot%3Dag%26sd%3D131584348169&var=570794963223]
*17 cents 12x3 from china n52 - [http://www.ebay.com/itm/10-100pcs-Neodymium-Disc-Super-Strong-Rare-Earth-N50-Fridge-Magnets-12mm-X-3mm/271966141120?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3Da4e551f3afe442f6ae95249f8d99f4fc%26pid%3D100338%26rk%3D3%26rkt%3D30%26mehot%3Dag%26sd%3D131584348169&var=570794963223]
*'''17 cents 12x3 @ 1000 from UK''' - [https://www.etsy.com/cart/]. This appears to be the best option.
*'''17 cents 12x3 @ 1000 from UK n52''' - [https://www.etsy.com/cart/]. This appears to be the best option.
*'''7 cents 10x2 HK''' (looks like 1/16" thickness) - [http://www.ebay.com/itm/100pcs-Super-Strong-Disc-Magnets-10mm-x-2mm-Rare-Earth-Neodymium-NdFeB-N52-Grade-/351897015036?tfrom=400920139676&tpos=top&ttype=price&talgo=undefined]. While this looks cheaper, this is not because of the lower strength of 10x2.
*'''7 cents 10x2 HK n52''' (looks like 1/16" thickness) - [http://www.ebay.com/itm/100pcs-Super-Strong-Disc-Magnets-10mm-x-2mm-Rare-Earth-Neodymium-NdFeB-N52-Grade-/351897015036?tfrom=400920139676&tpos=top&ttype=price&talgo=undefined]. While this looks cheaper, this is not because of the lower strength of 10x2.
*11 cents 12x2 - [http://www.ebay.com/itm/25Pcs-N52-12mm-x-2mm-Super-Strong-Round-Disc-Magnets-Rare-Earth-Neodymium-Magnet/400920139676?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3Deb7ce3be4e7b4ff98173fa124a0aa5c3%26pid%3D100338%26rk%3D3%26rkt%3D30%26mehot%3Dpp%26sd%3D112265191779]
*11 cents 12x2 n52 - [http://www.ebay.com/itm/25Pcs-N52-12mm-x-2mm-Super-Strong-Round-Disc-Magnets-Rare-Earth-Neodymium-Magnet/400920139676?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3Deb7ce3be4e7b4ff98173fa124a0aa5c3%26pid%3D100338%26rk%3D3%26rkt%3D30%26mehot%3Dpp%26sd%3D112265191779]
*18 cents 20x10x2 - [http://www.ebay.com/itm/20-50-100-200Pcs-Strong-Block-Fridge-Magnet-N35-Rare-Earth-Neodymium-20-x10-x2mm/182395342217?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3De7b7bd9e81d0453ebd066048d56e951f%26pid%3D100338%26rk%3D17%26rkt%3D30%26sd%3D171900418568&var=484970185331]
*18 cents 20x10x2 n52- [http://www.ebay.com/itm/20-50-100-200Pcs-Strong-Block-Fridge-Magnet-N35-Rare-Earth-Neodymium-20-x10-x2mm/182395342217?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3De7b7bd9e81d0453ebd066048d56e951f%26pid%3D100338%26rk%3D17%26rkt%3D30%26sd%3D171900418568&var=484970185331]
 
*16 cents 12x3 n50 - [http://www.ebay.com/itm/Hot-12mm-x-3mm-50Pcs-100Pcs-Strong-Round-Disc-Magnets-Rare-Earth-Neodymium-N50/291945201588?_trksid=p2141725.c100338.m3726&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20150313114020%26meid%3Ddf591db2f8254cea9fe733c6b738ebaf%26pid%3D100338%26rk%3D1%26rkt%3D30%26sd%3D331967589024]
*


=Strength=
=Strength=

Revision as of 21:34, 29 January 2017

  • 40 cents - 1/2" - [1]
  • 10 cents - 10x2 N50 - [2]
  • 30c 1/2" [3]
  • 40 cents 12x3 n52 - [4]
  • 20 cents @ 100, 12x3 n52 - [5]
  • 17 cents 12x3 from china n52 - [6]
  • 17 cents 12x3 @ 1000 from UK n52 - [7]. This appears to be the best option.
  • 7 cents 10x2 HK n52 (looks like 1/16" thickness) - [8]. While this looks cheaper, this is not because of the lower strength of 10x2.
  • 11 cents 12x2 n52 - [9]
  • 18 cents 20x10x2 n52- [10]
  • 16 cents 12x3 n50 - [11]

Strength

  • 12x3mm appears to be 8 lb - [12]
  • 10x3mm is 5.5 lb - [13]
  • 20x10x2mm is 4.8 lb - [14]
  • 10x2mm n52 is 2.6 lb - [15]
  • 12x2mm n52 is 3.8 lb - [16]
  • 6x3mm n52 is 2.9 lb - [17]
  • 6x6mm n52 is 4.2 lb - [18]

Notes

  • 2 mm compared to 3 mm appears to be 1/2 as strong. 2 mm is really 1.6 mm, of 1/16", compared to 1/8", or 3 mm. That makes sense.
  • Thus, it's more favorable to go with 3mm thickness.

Tested

  • Ebay [19] - 25 for $11 - 48 cents.