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Stimpson’s #3 brass grommet and plain washer provide basic hole reinforcement and versatility for a wide variety of applications. Available in three finishes, the #3 grommet features a hole size of 7/16”, a length under flange of .295”, and a metal thickness of .014”. The inside diameter of the plain washer is .530”, with an outside diameter of .955”, and a metal thickness of .013”. This multipurpose brass grommet and washer combination can be used in a variety of materials including industrial fabrics, canvas, leather, signage, and heavy-duty vinyl tarps, as long as a hole has been pre-punched in the material. Manual, semi-automatic and fully-automatic grommet setting machines easily set #3 grommets and plain washers ensuring installation runs smoothly and efficiently.

  • Material: Brass
  • Grommet (inches):
    • Hole Diameter: 7/16"
    • Flange Diameter: .970"
    • Length Under Flange: .295"
    • Metal Thickness: .014"
  • Washer (inches):
    • Inside Diameter: .530"
    • Outside Diameter: .955"
    • Metal Thickness: .013"
  • Finishes: Plain Brass, Dull Black Chemical Finish and Nickel Plated
  • Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more
This part conforms to the following military specifications: NASM16491, Type I, Class 1 (Plain Brass), Class 2 (Brass Nickel), Class 3 (Brass Dull Black), Size 3 and NASM20230B3 (Plain Brass)

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