|Bumper Pads, Adhesive Backed
Neo Mag Info
Neodymium Magnet Information.
Information on ways to order products from K&J Magnetics, and details about the various shipping options.
Neodymium Magnet Safety Information.
Neodymium Magnet Specifications, including physical properties, thermal characteristics, mechanical, plating options and more.
Our infamously huge, ever-growing list of Frequently Asked Questions.
The K&J Magnetics blog, including detailed articles about many magnet topics.
3D Printed Wind Turbine
Raspberry Pi Alarm System
Magnetic Pogo Stick
Induction Stove - Frying Eggs with Magnets
Brushless DC Motor
Magnetic Geocache Containers
Magnetic Smartphone Mount
A Magnetic Koozie
Curve Bullets with a Magnet
Halbach Arrays II
iPhone App: KJ Pole ID
Magnetic Office Decor
Does Steel Block or Improve Magnetic Strength
Side By Side
The Simplest Motor
Magnets vs. Steel
Rubber Mounting Magnets
Simple Magnetic Train
Magnetic Coupling Boat
Solar Powered Motors
Fix a Ceramic Magnet
Magnetic Cabinet Closures
X-Wing Miniatures Game Mod
Remagnetizing Fridge Magnets
Volcanos and Earthquakes
Belt-Clip Hammer Holder
Light Switch Key Holder
Magnet Car with AA Battery
Magnets in Education
Electric Guitar Pickups
Pins and Brooches
Magnets with an OFF Switch
Fishing Wires Through Walls
Hang a Big Poster
Finding Studs with Magnets
Magnets Are Everywhere
Emergency! (Big Magnets are Strong)
Why are Magnets Shaped like Horseshoes?
More About Magnetic Separation
Make a Magnetometer
Magnetic Bottle Opener
Credit Cards and Magnetic Stripes
All About Magnetization Direction
Magnets Are Weird
iPhone Magnetic Measurements
Leverage & Friction
Magnetic Spice Jars
The Earth Is a Magnet
Adhesive Backed Magnets
Magnetic Water Treatment
How to Separate Strong Magnets
Diamagnetism and Levitation
Pole Climbing Robot
Hanging Art on a Wall
Steel Thickness Calculator
How Neodymium Magnets are Made
Reed Switches and Hall Effect Sensors
Hard Drive Destruction
Temperature and Neodymium Magnets
Magnetic Knife Holder
Sticky Business - How to Glue Neodymium Magnets
How Much Will a Magnet Hold?
Which Pole Is North?
Surface Fields 101
Glossary of Magnet Terminology.
A list of just some of the many ways neodymium magnets are used.
Who are K&J Magnetics?
Descriptions of some of the winners of our monthly magnet-giveaway contest.
Hanging Art Blocks
Magnetic Spice Containers
The Custom Magnet Request Form.
Pull Force Calculator
The Original K&J Pull Force Calculator, calculates the Pull Forces for a given sized disc, cylinder, block or ring magnet in 3 different test cases.
Repelling Force Calculator
Calculates the theoretical repelling force between to same-sized magnets.
Magnetic Field Calculator
Calculates the strength and direction of the magnetic field around a disc or cylinder magnet.
Steel Plate Thickness Calculator
Calculates the Pull Force of a magnet stuck to a steel plate of various thicknesses.
Calculates the magnetic field strength between two neodymium magnets separated by a small gap.
Converts and explains different units used when measuring magnet properties.
RoHS Compliance Statement
Our RoHS Compliance Statement in PDF format.
Our policies concerning payment, order cancellation, returns, damages, security and privacy.
How to contact us.
Track your order
Where are my magnets?
Downloadable charts showing the BH curves for our most popular magnet grades.
Build a Magnet Separator Tool
Instructions on how to build your own Magnet Separator tool, especially handy for separating large magnets.
Our view on saving fuel with magnets.
Building a Truncated Octahedron.
Descriptions of magnetization directions possible for many neodymium magnet shapes.
Some visualizations of magnetic fields.
Magnet Summary Page
Sortable tables showing most of our magnet shapes, including Pull Force and Surface Field values.
Sign up to receive our email newsletter, including exclusive discount codes.
Rubber Coat your magnets
So you want to rubber coat your magnets...
More information about your security with K&J Magnetics.
Select-a-Size Magnet Finder
A table of disc/cylinder or block magnets that helps locate a particular magnet based on it's size.
A list of product pages that include videos.
Stepped Block Magnets
1/4" O.D. x
1/8" I.D. x
Order by phone:
Order online for
No Minimum Order!
K&J Magnetics, Inc.
Your online source for incredibly powerful neodymium magnets