Magnet Shape: Ring with Countersunk (Countersink)
Material: Hard Ferrite (Ceramic) and Steel
Coating: Nickel(Ni)       
Grade(Chinese Stardard):         Y33
Magnet ID:              FPC-32-Y33-Ni  
Detailed magnetic properties data:
Residual Magnetic Flux Density (Br): 4.1-4.3 KGs (mT):  410-430 mT
Intrinsic Coercivity Force (Hcj):    2.76-3.14 KOe    220-250 KA/m
Coercivity Force (Hcb):              2.83-3.20 KOe    225-255 KA/m
Energy Density (BH)max:              3.9-4.4 MGOe     31.5-35.0 KJ/m³
Operating Temperature:               -40 °C to +250 °C
Magnetisation Direction: Axial / Radially magnetized
Pot Magnet Size:
Pot Total height (H):       7 mm
Pot Total diameter (D):     32 mm
Pot Diameter top (d2):      5.5 mm
Pot Diameter bottom (d3):   10.4 mm
Countersunk depth (h3):     3 mm
Tolerance:         +/-2% mm
Delivery time           7-25 days
Measurements

Strong ferrite Pot Magnet is the third generation of rare-earth permanent magnet, is the most powerful and advanced commercialized permanent magnet today. NdFeB has high coercive force, high energy and high performance/ cost ratio. It can be formed into various sizes and widely used in many fields such as aviation, electronics, instruments, meters, machines and medical instrument.
We are the magnet manufacturers in ningbo, China. We have advanced automatic production equipments and testing instruments. We are gathering a group of experienced professional and technical personnel engaged in manufacturing magnetic materials and magnetic products.