Stimpson’s #4 brass grommet and plain washer provide basic hole reinforcement and versatility for a wide variety of applications. Available in three finishes, the #4 grommet features a hole size of 1/2”, a length under flange of .375”, and a metal thickness of .016”. The inside diameter of the plain washer is .585”, with an outside diameter of 1.062”, 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 #4 grommets and plain washers ensuring installation runs smoothly and efficiently.
Hole Size: 1/2"
Flange Diameter: 1.050"
Length Under Flange: .375"
Metal Thickness: .016"
Inside Diameter: .585"
Outside Diameter: 1.062"
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 4 and NASM20230B4 (Plain Brass)