Oblong Grommets and Washers

Stimpson Oblong Grommets and Washers are offered in brass, aluminum, zinc and stainless steel.

Stimpson Oblong Grommet and Washers oblongdiagsm

Oblong Grommet Dimensions

Oblong Grommet Dimensions
Grommet Hole Size Flg. Diameter L.U.F
A670 3/16” x 13/16” 1.315 x .665 .225
A671 5/16” x 1-7/16” 2.015 x .915 .332
A1496 11/32” x 1-11/16” 2.375 x .965 .308
A591 5/16” x 3/4” 1.125 x .690 .222
A113 1/4” x 1-1/8” 1.406 x .565 .269
A3537* 1/2” x 13/16” 1.405 x 1.035 .285
L.U.F = Length Under Flange Flg. Dia. = Flange Diameter I.D. = Inside Diameter O.D. = Outside Diameter MT = Metal Thickness * Indicates embossed oblong grommet & washer.

Oblong Washer Dimensions

Oblong Washer Dimensions
Washer Grommet Size I.D. O.D.
C501 A670 .923 x .268 1.286 x .625
C264 A671 1.532 x .420 2.010 x .915
C714 A1496 1.812 x .468 2.375 x .968
C189 A591 .800 x .400 1.125 x .685
C118 A113 1.187 x .312 1.437 x .562
C829* A3537* .925 x .575 1.405 x 1.035
L.U.F = Length Under Flange Flg. Dia. = Flange Diameter I.D. = Inside Diameter O.D. = Outside Diameter MT = Metal Thickness * Indicates embossed oblong grommet & washer.
Oblong Grommet Dimensions
Grommet A670
Hole Size 3/16” x 13/16”
Flange Diameter 1.315 x .665
Length Under Flange .225
Grommet A671
Hole Size 5/16” x 1-7/16”
Flange Diameter 2.015 x .915
Length Under Flange .332
Grommet A1496
Hole Size 11/32” x 1-11/16”
Flange Diameter 2.375 x .965
Length Under Flange .308
Grommet A591
Hole Size 5/16” x 3/4”
Flange Diameter 1.125 x .690
Length Under Flange .222
Grommet A113
Hole Size 1/4” x 1-1/8”
Flange Diameter 1/4” x 1-1/8”
Length Under Flange .269
Grommet A3537*
Hole Size 1/2” x 13/16”
Flange Diameter 1.405 x 1.035
Length Under Flange .285
Oblong Washer Dimensions
Washer C501
Grommet Size A670
Inside Diameter .923 x .268
Outside Diameter 1.286 x .625
Washer C264
Grommet Size A671
Inside Diameter 1.532 x .420
Outside Diameter 2.010 x .915
Washer C714
Grommet Size A1496
Inside Diameter 1.812 x .468
Outside Diameter 2.375 x .968
Washer C189
Grommet Size A591
Inside Diameter .800 x .400
Outside Diameter 1.125 x .685
Washer C118
Grommet Size A113
Inside Diameter 1.187 x .312
Outside Diameter 1.437 x .562
Washer C829*
Grommet Size A3537*
Inside Diameter .925 x .575
Outside Diameter 1.405 x 1.035

Grommeting Machines

Hand operated, foot operated or fully automatic, Stimpson offers the grommet attaching machine which is right for your application.  Click on any machine for more specific grommeting information. (Images not to scale)