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Stud Panel Preparation
for Flush Head Studs

Flush Head Studs

Panel Preparation for 1276 Grommet

1. Drill and Dimple Hole 2. Install Grommet
Stud Size Hole Diameter
4 17/64"
5 5/16"
6 3/8"
65 7/16"
7 15/32"
Dimple Hole Drawing with Tooling Identification Install Grommet Drawing
3. Set Grommet 4. Insert and Clinch Stud Note: Dimpled Panels require Dimpled Supports.

The triple-x (xxx) in the tool part number stands for the stud size number, i.e., 4, 5, 6, 65, or 7.

Set Grommet Drawing with Tooling Identification Insert and Clinch Stud Drawing with Tooling Identification
Flush Head Stud using type 1276 Full Grommet Retainer
Installation of a 1276 Full Grommet Retainer is a multi-step process and requires several different tools.
  1. A 9916-1-6xxx-BB is used to dimple the stud hole while a 9902-1-6xxx-BB is used to support the panel for the dimple operation.
  2. A 9916-3-6xxx-BB is used to set the grommet in the dimpled hole while a 9902-3-6xxx-BB Side A is used to support the panel.
  3. A 9902-3-6xxx-BB Side A is used to support the panel while a flat surface plate applies pressure to clinch the grommet and panel to the stud.

Panel Preparation for Reverse Clinched Hole (No Stud Retainer)

1. Drill and Dimple Hole 2. Insert Stud
Stud
Size		 Hole
Dia.		 MAX Panel Thickness for Dimpling
3 9/64" .030"
4 13/64" .040"
5 15/64" .050"
65 21/64" .078"
Drill and Dimple Hole with Tooling Identification Insert Stud Drawing
3. Clinch Stud   Note: Dimpled panels require dimpled supports.
Reverse Clinch Stud Drawing The triple-x (xxx) in the tool part number stands for the stud size number, i.e., 3, 4, 5, or 65.
Flush Head Stud using no retainer
(dimpled and reverse-clinched panel stud hole)
Installation in a dimpled and reverse-clinched panel stud hole is a two step process.
  1. A 9916-1-6-Nxxx-BB is used to dimple the panel against a 9902-1-6-Nxxx-BB Side A.
  2. Once the stud is inserted in the hole, a Flat Surface Plate is used against a 9902-3-6-Nxxx-BB to clinch the stud in the hole.

Panel Preparation for 1219-R, 127H, and 127P

1. Drill and countersink holes
Stud Size Dim. A
+.010"
-.000"		 Dim. B
+.010"
-.000"		 Dim. C
+.010"
-.000"
3 .367" .188" .051"
4 .508" .250" .074"
5 .633" .313" .092"
65 .757" .407" .095"
Drill and Countersink Holes Drawing
2. Install stud retainer Note: This stud panel hole permits use of S-Spring receptacles without a dimpled stud hole in support.

Panel Preparation for 127S-F Thick Panel Grommet Retainer

1. Make hole in panel for grommet press fit, then countersink and counter bore.
Stud Size Dim. A Dim. B Dim. C
3 .328" .219" .030"
4 .453" .313" .043"
5 .578" .375" .045"
2. Press grommet/stud assembly into hole Note: This stud panel hole permits use of S-Spring receptacles without a dimpled stud hole in support.
3. Flare grommet using 9906-A-xxx-BB flaring tool. 4. Flatten grommet using 9916-3-1xxx-BB tool.
Flush Head Stud using type 127S-F Thick Panel Grommet Retainer
Installation of a 127S-F Thick Panel Grommet Retainer is also a multi-step process and requires several different tools.
  1. A 9906-A-xxx-BB is used to flare the grommet away from the stud while a Flat Surface Plate is used to support the panel, stud, and grommet.
  2. A 9916-3-1xxx-BB is used to clinch the grommet while a Flat Surface Plate is used to support the panel, stud, and grommet.