Neodymium Block Magnets — N52 Rectangular & Square NdFeB Rare Earth Magnets
JC Magnetics stocks neodymium block magnets in N52 grade across a wide array of rectangular and square profiles, from compact 5×5×1mm wafers to large 50×25×10mm bars. N52 block magnets deliver the highest energy product available in standard rectangular geometry, making them the preferred choice for holding fixtures, magnetic clamping jigs, fabrication tooling, whiteboard and display mounting, cabinetry latches, and robotics end-effector assemblies. The rectangular geometry also makes block magnets ideal for linear actuator design, magnetic separation equipment, and custom magnetic circuit construction. Each unit is plated with Ni-Cu-Ni for surface protection and dimensional consistency. Engineers and fabricators rely on our N52 block magnets for applications requiring predictable, repeatable pull-force specifications across production runs.
Brand: JC-magnetics
Model: JCN52-BLK222
Pull Force: 0.35 LBDimensions: 2mm x 2mm x 2mm thickness, (0.078in x 0.078in x 0.078in) 5/64in x 5/64in x 5/64inMaterial Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanth..
$0.14
-17%
Brand: JC-magnetics
Model: JCN52-BLK40404/2
2pcs 40mm x 40mm x 4mm N52 Square Block Rare Earth Neodymium MagnetPull Force: 35.94 LBDimensions: 40mm x 40mm x 4mm thickness, (1.575in x 1.575in x 0.157in) Material Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth m..
$22.50 $27.00
Brand: JC-magnetics
Model: JCN52-BLK333
Pull Force: 0.93 LBDimensions: 3mm x 3mm x 3mm thickness, (0.118in x 0.118in x 0.118in) 1/8in x 1/8in x 1/8inMaterial Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthani..
$0.30
Brand: JC-magnetics
Model: JCN52-BLK40204
Key SpecificationsPull Force: 26.5 lbsDimensions: 40mm × 20mm × 4mm thicknessMaterial: Neodymium (NdFeB) - The world's strongest permanent magnetProduct DescriptionThis high-performance N52 neodymium magnet block delivers exceptional holding power in a large rectangular format. Made from premium rar..
$8.25
Brand: JC-magnetics
Model: JCN52-BLK40404
Pull Force: 35.94 LBDimensions: 40mm x 40mm x 4mm thickness, (1.575in x 1.575in x 0.157in) Material Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When added to Iron (F..
$9.50
Brand: JC-magnetics
Model: JCN52-BLK0442
Pull Force: 1.12 LBDimensions: 4mm x 4mm x 2mm thickness, (0.157in x 0.157in x 0.078in) 5/32in x 5/32in x 5/64inMaterial Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When added..
$0.33
Brand: JC-magnetics
Model: JCN52-BLK444
Pull Force: 1.83 LBDimensions: 4mm x 4mm x 4mm thickness, (0.157in x 0.157in x 0.157in) 5/32in x 5/32in x 5/32"Material Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides seri..
$0.38
Brand: JC-magnetics
Model: JCN52-BLK502510
Pull Force: 75.5 LBDimensions: 50mm x 25mm x 10mm thickness, (1.969in x 0.984in x 0.394in) Material Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When added to Iron (F..
$18.50
Brand: JC-magnetics
Model: JCN52-BLK5505
Pull Force: 0.35 LBDimensions: 5mm x 5mm x 0.5mm thickness, (0.197in x 0.197in x 0.020in) 13/64in x 13/64in x 1/64inMaterial Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. W..
$0.28
Brand: JC-magnetics
Model: JCN52-BLK551
Pull Force: 0.73 LBDimensions: 5mm x 5mm x 1mm thickness, (0.197in x 0.197in x 0.039in) 13/64in x 13/64in x 1/32Material Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When ..
$0.30
Brand: JC-magnetics
Model: JCN55-BLK551
Key SpecificationsPull Force: 0.79 lbsDimensions: 5mm × 5mm × 1mm thickness (13/64" × 13/64" × 1/32")Grade: N55 - Premium neodymium magnet gradeMaterial: Neodymium (NdFeB) - The world's strongest permanent magnetProduct DescriptionThese ultra-thin N55 neodymium square block magnets deliver excellent..
$0.32
Brand: JC-magnetics
Model: JCN52-BLK0552
Pull Force: 1.51 LBDimensions: 5mm x 5mm x 2mm thickness, (0.197in x 0.197in x 0.078in) 13/64in x 13/64in x 5/64inMaterial Features: Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. Whe..
$0.32