... Detail:15-18daysSpecifications1.continuous working temperature 2.Shape: Disc with hole 3.Plating: Ni coated ... 38EH, 28AH-35AH4. Shape: Disc(Cylinder), Block, Ring, Countersunk, Segment and more, trapezoid, irregular shape, customized shapes are available5 ... . Max. Size shape: Length or Outer diameter 220mm6. ...