TJ | Self-clinching Key-Loc™ Standoffs

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Features

  • Join two sheets together by simply sliding the top panel into place to precisely space removable components.
  • Use several TJ Key-Loc™ Standoffs with one standard threaded standoff to prevent unwanted top sheet movement, and reduce installation time and excess hardware.
  • Self-clinching design installs easily and permanently with a flush appearance on the back of thin panels.
  • Available in a wide variety of sizes with custom dimensions by request.

Dimensions

General
Body diameter codePanel thickness codeC
Max.
S
±0.08
M Max.
5.391.525.391.732.75
5.392.295.392.493.51
Length
L (Length) ±0.13
24681012141618202225

Material & Finish

Material codeMaterial descriptionFinish codeFinish descriptionFor use in sheet hardness
HRB 70
Max.
HRB 88
Max.
STLHeat Treated Carbon SteelZZinc (SC1) with Type III Clear Chromate per ASTM B 633
SS300-Series Stainless SteelPPassivated and/or tested per ASTM A 967
S4Heat Treated 400-Series Stainless SteelPPassivated and/or tested per ASTM A 967

Applications

Panel Thickness CodePanel 1Panel 2
Mounting Hole B
+0.08
-0.00
Sheet HardnessSheet Thickness Min.Edge Distance C1 Min.Mounting Hole AMaterialThicknessEdge Distance C2 Min.
A1 Nom.A2
±0.08
A3
±0.08
A4
Min.
1.525.41(1)1.026.601.503.005.003.75Any1.45-1.624.10
2.295.41(1)1.026.601.503.005.003.75Any2.22-2.394.10

Installation

  1. Punch or drill hole in sheet. Do not deburr hole edges.
  2. Insert standoff through hole in sheet and into the anvil as shown.
  3. Squeeze the sheet and standoff head between parallel punch and anvil surfaces. Use only enough pressure to seat the standoff head flush with the sheet. Punch and anvil may be ordered using PENCOM part numbers TL1287 and TL1345, respectively, or made from hardened tool steel.

Performance

Installation and Push-out
Test Sheet Material
5052-H34 Aluminum
1.52mm Thick
Cold-Rolled Steel
1.52mm Thick
Installation
(kN)
Push-out
(N)
Installation
(kN)
Push-out
(N)
7.1110014.22600
Side Load
Test Sheet Material 5052-H34 Aluminum
1.02mm Thick1.52mm Thick
L (Length)
24681012141618202225
Side Load Max. (N)
545370296228184156136116104968876
Test Sheet Material Cold-Rolled Steel
1.02mm Thick1.52mm Thick
L (Length)
24681012141618202225
Side Load Max. (N)
735490696540440372320280252228208184

1. Performance data represents the average destructive result when all installation specifications are strictly followed. Variations in sheet hole size, thickness, material and installation method will affect the loads. PENCOM strongly encourages testing in the application.

Cross References

Substitute For PEM® Series Hardware: SKC, SKS

PEM® is a registered trademark of Penn Engineering.
When second sourcing PENCOM’s self-clinching products, PENCOM recommends that the part is tested in the application to ensure that it will meet all performance requirements.

PENCOM Part DescriptionPEM® Part Number
TJSS-5.38M-2.0-18-PSKC-61.5-18 S=.080
TJSS-5.38M-2.1-5.62-PSKC-61.5-5.62 MOD 2.11 THK.BOARD
TJSS-5.38M-2.3-10-PSKC-62.3-10
TJSS-5.39-1.52-1.5-PYSKC-34914
TJSS-5.39-1.52-10-PSKC-61.5-10
TJSS-5.39-1.52-12-PSKC-61.5-12
TJSS-5.39-1.52-14-PSKC-61.5-14
TJSS-5.39-1.52-16-PSKC-61.5-16
TJSS-5.39-1.52-18-PSKC-61.5-18
TJSS-5.39-1.52-20-PSKC-61.5-20
TJSS-5.39-1.52-22-PSKC-61.5-22
TJSS-5.39-1.52-25-PSKC-61.5-25
TJSS-5.39-1.52-2-PSKC-61.5-2
TJSS-5.39-1.52-4-PSKC-61.5-4
TJSS-5.39-1.52-6-PSKC-61.5-6
TJSS-5.39-1.52-8-PSKC-61.5-8
TJSS-6.35M-1.5-12-PSKC-61.5-12 C=.250
TJSS-7-PSKC-61.5-7
TJST-5.38M-1.5-16-Z-BLKSKC-61.5-16-Z-BLK