TP | Self-Clinching Standoffs for Thin Panels

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Features
  • Precisely spaces stacked and/or mating panels and chasses.
  • Self–clinching design provides permanent installation in sheets as thin as .025” (0.63mm).
  • Miniature threads and body diameters available for small–scale applications.
  • Choice of RoHS compliant materials and finishes.

Dimensions

General
Thread Thread
Code
Sheet C
+.000
– .005
D
Minimum
Thread Depth
H
nom.
Minimum
Thickness
Hole Size
+.003
-.000
Minimum Distance Hole Center to edge
0-80 080 .025 .128 .19 .127 .125 .156
40801 .166 .23 .165 .187
2-56 42561 .025 .166 .23 .165 .200 .187
62561 .213 .27 .212 .250
4-40 440 .025 .166 .23 .165 .220 .187
64401 .213 .27 .212 .250
6-32 632 .025 .213 .27 .212 .270 .250

1. Standoffs with thread codes 4080, 4256, 6256 and 6440 offer greater wall thicknesses for 0- 80, 2-56 and 4- 40 threads, respectively.

Length
Thread L (Length) ±.003
0-80 .0901 .1251 .1871 .2502 .3122 .3753 .4373 .5003 .5623 .6253 .6873,4 .7503,4
2-56 .0901 .1251 .1871 .2501 .3122 .3752 .4373 .5003 .5623 .6253 .6873 .7503
4-40 .0901 .1251 .1871 .2501 .3122 .3752 .4372 .5003 .5623 .6253 .6873 .7503
6-32 .1251 .1871 .2501 .3121 .3752 .4372 .5002 .5623 .6253 .6873 .7503

Material & Finish

Material
Code
Material
Description
Finish
Code
Finish
Description
For use in Sheet Hardness
HRB 50
Max.
HRB 60
Max.
HRB 70
Max.
ST 12L14 Carbon Steel Z Zinc (SC1) with Type III Clear Chromate per ASTM B 633
SS 303 Stainless Steel P Passivate and/or test per ASTM A 967
AL Aluminum PLN Plain

Installation

  1. Punch or drill hole in sheet. Do not deburr 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 sur faces. Use only enough pressure to seat the standoff head flush with the sheet.
  4. Anvil with countersink is required for installation in sheets with thickness .025” to .032″ (0.63mm to 0.81mm). Anvil with countersink is not required for installation in sheets with thickness greater than .032″ (0.81mm). Punch and anvil should be made from hardened steel.
Anvil Dimensions
Standoff
C
Dimension
A
+.003
-.000
B
+.007
-.000
.127 .129 .156
.165 .167 .187
.212 .213 .250

Performance

Standoff C Dimension Standoff Material Code Test Sheet Material
.025″ 5052-H34 Aluminum .025″ Cold-Rolled Steel
Installation
(lbs)
Push-out
(lbs)
Torque-out
(in-lbs)
Installation
(lbs)
Push-out
(lbs)
Torque-out
(in-lbs)
.127 ST 900 60 4.5 1500 80 6.5
SS
AL (2) (2) (2)
.165 ST 1500 70 6.0 2000 100 9.0
SS
AL (2) (2) (2)
.212 ST 1800 90 11.0 2500 150 15.0
SS
AL (2) (2) (2)

  1. Performance data represents the average destructive result for standoffs only when all installation specifications are strictly followed. Variations in panel hole size, thickness, material and installation methods will affect the loads. Pencom strongly encourages testing the application.
  2. Not recommended.