B428-N52 - Neodymium Block Magnet - 1/4" Len x 1/8" Wid x 1/2" Thi

• Dimensions: 1/4" x 1/8" x 1/2" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N52
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Thru Thickness
• Weight: 0.0678 oz. (1.92 g)
• Pull Force, Case 1: 3.02 lbs
• Pull Force, Case 2: 3.11 lbs
• Surface Field: 7258 Gauss
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 14,800 Gauss
• BHmax: 52 MGOe

Our B428-N52 blocks are the same size as our B842 blocks, but they are magnetized through the 1/2" dimension. The poles are located on the 1/4" x 1/8" sides, which makes them attract each other "end-to-end" as shown in the bottom picture.