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DOT® Grommet with Tooth Washer
7/16" Government Black Brass #3 (25 gross)

Item # 233721

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This #3 grommet and tooth washer set is used to reinforce holes in a range of fabrics. Made from heavy-gauge brass, these small but resilient parts can withstand any type of setting. The finish gives a matte black look and assists in abrasion resistance. The tooth washer features interlocking teeth for a stronger hold than a standard washer. Easily cut a hole into the fabric then install the metal grommet and washer with the appropriate setting tools.

While best-suited for banners, drapery, and curtains, they also work well in custom upholstery, outdoor awning, and marine jobs. Specific applications include awnings, seats, boat covers, flags and banners, luggage, privacy drapes, safety gear, signs and media, outdoor tents, and tarpaulins.

The hole's inner diameter is 7/16". 1 gross = 144 grommets and 144 washers (288 total pieces).

For a quick explanation on which styles suit which applications, check out our main Grommetspage.

Install by hand with DOT Hand Tool and Die Set #223534.

Trademark: DOT® is a registered trademark of Scovill Fasteners, Inc.


Hole Size:
Government Black
Package Size:
25 gross
Product Category:
Grommet - Brass With Tooth Washer - Black
Government Black
Hand Tools Part Number:
22-RHT3GR (#223534)
Hole Size After Setting:
7/16 in.
Machine Tools Part Number:
22-RBS-3GR (#223564)
Standard Package:
25 gross