These bar magnets measure about 1/4" x 1/2" x 3" (72 x 12 x 6 mm). The magnets are made of Aluminum (8%), Nickel (14%), Cobalt (24%), copper (3%) and Iron (51%) which makes for a super strong and high quality magnet.
Sold individually. Single pack includes one magnet.
Wholesale price and quantity discounts for orders of 10, 100 and 1000
AlNiCo bar magnets can be used with iron filings to demonstrate magnetic lines of force. The notched end indicates the North Pole of the magnet. These magnets are ideal for science fair project or experiments.
Max Energy (BH max):MGOe=5.5 or 43.8 kj/m3
Residual Induction Br: 12800 Gauss
Coercive Force Hc: 640 Oersteds
Large inventory and fast shipping
1 Review Hide Reviews Show Reviews
Great educational tools: to explain N and S poles you need these bar magnets. Hang one from a string and you have a compass. Throw in a globe and it's a lesson. Unlike rare earths, these ALNICOs are not a pinch hazard. Alnico can fracture if dropped.