Grommet  Styles

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Insulation Grommets:
This style grommet is the most commonly used configuration. These parts have been designed symmetrically with an ID, OD, overall thickness, groove diameter and groove thickness. Insulation grommets are used in applications where a wire, tube or various other objects need to be passed through metal, plastic or any material that may damage the outside surface of the object while being installed or in use.

Mil-Specification Grommets:
Mil Spec grommets are insulation grommets, which are produced from military specification rubber compounds. Military spec grommets come in a variety of sizes which are published by the government as the MS-35489 and AN-931 series. These parts are required where a material must be in accordance with Specification NASM-3036 Composition A (Nitrile) or B (Silicone).The compounds for these parts were formulated to be used in an environment where fungus or high heat may be an issue. .
 
Vibration Mount Grommets:
These grommets are used for noise reduction and protection from the forces generated in compression. These parts are designed with flanges that are not equal. The thicker of the flanges is intended to be the vibration isolator. Most common usage would be to mount a small fan or motor, which requires some vibration isolation properties.

   

Mounting Hole Grommets:
Used where a large grommet flange is not practical, due to space limitations or a large flange that will not fit through the mating hole.




 
Oval Grommets:
Used as a conduit where an oval shaped hole has been utilized and or to protect an oval shaped item that is passed through a panel.




 
Multiple Hole Grommets:
Used as a conduit to protect two or more items that are to be passed through a panel.







Special ID Grommets:
Used as a conduit to protect an item being passed through a panel where a traditional round straight hole insulation grommet cannot be accommodated. Special ID grommets have holes that are square, diagonal, tapered and uniquely configured inside diameters. Please follow the link above to see all of the different configurations.


Blind and Plug Grommets:
This style is used to block off an aperture in a panel. Blind and Plug grommets are typically used when a hole has been stamped into a panel for future use, however, at the time of production the hole needs to be sealed.



Horseshoe Grommets:
Used for special applications where a traditional insulation grommet cannot be installed.






Extended Neck Grommets:
Used in applications, which require some additional protection, rigidity, and stability for the item that is being passed through its housing. Most common use would be for an electrical wire where it exits the housing of a unit and is to be used to plug in an appliance, etc.




Electrical Bushings:
Used as a conduit to protect one or more electrical wires that are to be passed through a panel. Cord Guards: Used in applications where an electrical cord exits its housing and its use requires flexibility, such as an iron, power washer wand, etc.