Self-Piercing Grommets and Washers

Self-Piercing Grommets & Washers from Stimpson

One Action, Superior Setting and Reliability

“No Hole Needed” Stimpson Self-Piercing Grommets & Washers are made from heavier gauge brass than traditional sheet metal grommets and, when set with their matching washers, pierce and set in a single action without the need for a pre-punched hole.

These grommets are manufactured in heavy brass and are available in brass, nickel plated, and dull black finishes. The #2 size is also available in 304 stainless steel.  Get all the details, dimensions, sizes, metals, and finishes in the Stimpson Grommet Catalog – download it today.

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SHOP OUR SELF-PIERCING GROMMETS

Use the tabs in this chart to reference dimensions for these grommets made of brass and stainless steel as well as their matching washers. Scroll to the bottom and check out the Stimpson 405 Bench Press manual grommet machine – the perfect tool for setting self-piercing grommets and washers!

Self-Piercing Grommet Dimensions

Brass Self-Piercing Grommet Dimensions
Grommet Hole Size Flg. Dia L.U.F. MT
#0SPG 1/4” .550 .165 .015
#1SPG 5/16” .630 .200 .015
#1XLSPG 5/16” .630 .320 .015
#2SPG 3/8” .750 .200 .015
#E2XLSPG 3/8” .750 .500 .012
#3SPG 7/16” .970 .185 .015
E-Series 304 Stainless Steel Self-Piercing Grommet Dimensions
Grommet Hole Size Flg. Dia L.U.F. MT
#E2SPG 3/8″ .750 .200 .010
#E2XLSPG 3/8” .750 .500 .012
L.U.F = Length Under Flange Flg. Dia. = Flange Diameter I.D. = Inside Diameter O.D. = Outside Diameter MT = Metal Thickness

Self-Piercing Washer Dimensions

L.U.F = Length Under Flange Flg. Dia. = Flange Diameter I.D. = Inside Diameter O.D. = Outside Diameter MT = Metal Thickness

Brass Self-Piercing Washer Dimensions
Washer Grommet I.D. O.D. MT
#0SPW #0SPG .337 .575 .011
#1SPW #1SPG .400 .655 .011
#1SPW #1XLSPG .400 .655 .011
#2SPW #2SPG .437 .770 .011
#E2SPW #E2XLSPG .437 .770 .010
#3SPW #3SPG .546 .970 .011
E-Series 304 Stainless Steel Self-Piercing Washer Dimensions
Washer Grommet I.D. O.D. MT
#E2SPW #E2SPG .437 .770 .010
#E2SPW #E2XLSPG .437 .770 .010
Brass Self-Piercing Grommet Dimensions
Grommet #0SPG
Hole Size 1/4″
Flange Diameter .550
Length Under Flange .165
Metal Thickness .015
Grommet #1SPG
Hole Size 5/16″
Flange Diameter .630
Length Under Flange .200
Metal Thickness .015
Grommet #1XLSPG
Hole Size 5/16″
Flange Diameter .630
Length Under Flange .320
Metal Thickness .015
Grommet #2SPG
Hole Size 3/8″
Flange Diameter .750
Length Under Flange .200
Metal Thickness .015
Grommet #E2XLSPG
Hole Size 3/8″
Flange Diameter .750
Length Under Flange .500
Metal Thickness .012
Grommet #3SPG
Hole Size 7/16″
Flange Diameter .970
Length Under Flange .185
Metal Thickness .015
Brass Self-Piercing Washer Dimensions
Washer #0SPW
Grommet Size #0SPG
Inside Diameter .337
Outside Diameter .575
Metal Thickness .011
Washer #1SPW
Grommet Size #1SPG
Inside Diameter .400
Outside Diameter .655
Metal Thickness .011
Washer #1SPW
Grommet Size #1XlSPG
Inside Diameter .400
Outside Diameter .655
Metal Thickness .011
Washer #2SPW
Grommet Size #2SPG
Inside Diameter .437
Outside Diameter .770
Metal Thickness .011
Washer #E2SPW
Grommet Size #E2SPG
Inside Diameter .437
Outside Diameter .770
Metal Thickness .010
Washer #3SPW
Grommet Size #3SPG
Inside Diameter .546
Outside Diameter .970
Metal Thickness .011
Stainless Steel Self-Piercing Grommet Dimensions
Grommet #E2SPG
Hole Size 3/8″
Flange Diameter .750
Length Under Flange .200
Metal Thickness .010
Grommet #E2XLSPG
Hole Size 3/8″
Flange Diameter .750
Length Under Flange .500
Metal Thickness .012
Stainless Steel Self-Piercing Washer Dimensions
Washer #E2SPW
Grommet Size #E2SPG
Inside Diameter .437
Outside Diameter .770
Metal Thickness .010
Washer #E2SPW
Grommet Size #E2XLSPG
Inside Diameter .437
Outside Diameter .770
Metal Thickness .010

Grommet Machines

The hand-operated 405 Bench Press is ideal for setting Stimpson Self-Piercing Grommets and Washers. Click on the image for more specific information. Click here and buy it now!