Brand: SunMag
Model: R250R40D30ZA
The useful kinds of Magnetic material of ring type , such as25*4*3, 13.1*1.8*1 (Outter Diameter * inner Diameter *Density, the unit is mm ). Zinc-coated is usually used. These kinds of magnetic materials are often used in huge machine, mini motor,hardware,etc. Because improved on the produce-technics and flow, we can effectively reduce the cost of product. Now we supply these competitive products in a large number. Welcome communicate with us in email or phone.

R250R40D30ZA : THE first "R" means the ring type , and the followed number is outter diameter, "250" means the number of outer diameter is 25mm, the second "R" means the followed number is inner diameter, "40" means the number of inner diameter is 4mm, "D" means the followed number is density, and "30" means the number of density is 3mm, "Z" means the coating is zinc, and "A" means the density tolerance is 0.1mm. And the grand of magnetic materials is customer selectable,you can choose one from "N33-N48, N30M-N48M,N33H-N45H,N33SH-N42H,N30UH-N33EH". You could just add after the product code as a postfix. If no specification, N33 is selectable.