Description:
Grommet is a type of grommets is mainly used for anti-vibration using or absorbing the vibration.
In order to customize grommets, we need to know these informations based on the above basic drawing.
Size:
A - Outter Diameter
B - Installed Diameter
C - Inner Diameter
D - Overall Thickness or Overal Height
E - Installed Thickness or The Thickness of board
R - Radius , if you are not ensure, also could be made.
Material:
Rubber is general term of materials, we could use lots of rubber for producing, but it should be mathed your needs.
You could choose Silicone, NBR, EPDM, SBR , etc.
http://www.chaoyuerubber.com/