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 code Panel thickness code C
Max.
S
±0.08
M Max.
5.39 1.52 5.39 1.73 2.75
5.39 2.29 5.39 2.49 3.51
Length
L (Length) ±0.13
2 4 6 8 10 12 14 16 18 20 22 25

Material & Finish

Material code Material description Finish code Finish description For use in sheet hardness
HRB 70
Max.
HRB 88
Max.
STL Heat Treated Carbon Steel Z Zinc (SC1) with Type III Clear Chromate per ASTM B 633
SS 300-Series Stainless Steel P Passivated and/or tested per ASTM A 967
S4 Heat Treated 400-Series Stainless Steel P Passivated and/or tested per ASTM A 967

Applications

Panel Thickness Code Panel 1 Panel 2
Mounting Hole B
+0.08
-0.00
Sheet Hardness Sheet Thickness Min. Edge Distance C1 Min. Mounting Hole A Material Thickness Edge Distance C2 Min.
A1 Nom. A2
±0.08
A3
±0.08
A4
Min.
1.52 5.41 (1) 1.02 6.60 1.50 3.00 5.00 3.75 Any 1.45-1.62 4.10
2.29 5.41 (1) 1.02 6.60 1.50 3.00 5.00 3.75 Any 2.22-2.39 4.10

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)
7.1 1100 14.2 2600
Side Load
Test Sheet Material 5052-H34 Aluminum
1.02mm Thick 1.52mm Thick
L (Length)
2 4 6 8 10 12 14 16 18 20 22 25
Side Load Max. (N)
545 370 296 228 184 156 136 116 104 96 88 76
Test Sheet Material Cold-Rolled Steel
1.02mm Thick 1.52mm Thick
L (Length)
2 4 6 8 10 12 14 16 18 20 22 25
Side Load Max. (N)
735 490 696 540 440 372 320 280 252 228 208 184

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

Subsitute For PEM® Series: SKC, SKS

PEM® is a registered trademark of Penn Engineering.

PENCOM Part Description PEM® 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