BS12 | Self-clinching Ball Studs

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When second sourcing PENCOM’s products, PENCOM recommends that the part is tested in the application to ensure that it will meet all performance requirements.

Dimensions

Sheet 1
Thickness
Sheet 2
Thickness
Length
Code
L
±0.25
S
±0.13
0.64-1.301.02-1.2546611.849.47
1.27-1.5047612.099.73
1.31-1.981.02-1.2549212.5010.13
1.27-1.5050212.7510.39
1.99-2.671.02-1.2551813.1610.80
1.27-1.5052813.4111.05
2.68-3.351.02-1.2554413.8211.46
1.27-1.5055414.0711.71
3.36-4.041.02-1.2557014.4812.12
1.27-1.5058014.7312.37
4.05-4.751.02-1.2559615.1412.78
1.27-1.5060615.3913.03
4.50-5.161.02-1.2561515.6213.26
1.27-1.5062515.8813.51
5.84-6.501.02-1.2567017.0214.66
1.27-1.5068017.2714.91

Material & Finish

Material CodeMaterial DescriptionFinish CodeFinish DescriptionEmpty
HRB 70
Max.
HRB 80
Max.
HRB 88
Max.
S4400 Series Stainless SteelPPassivated
STLLow Carbon SteelZZinc Clear
SSStainless SteelPPassivated

Installation

  1. Punch or drill hole in sheet a minimum distance of .37in (9.4mm) from the hole center to edge of sheet. Do not deburr edges.
  2. Insert the ball stud through hole in sheet and into the anvil as shown.
  3. Squeeze the sheet and ball stud head between parallel punch and anvil surfaces. Use only enough pressure to seat the ball stud head flush with the sheet. Punch and anvil should be made from hardened steel.

Performance

Ball Stud Material CodeTest Sheet Material
5052-H32 Aluminum1008 Carbon Steel HRB 60304 Stainless Steel HRB 70
Installation kNPush-out NInstallation kNPush-out NInstallation kNPush-out N
STL7.6-8.9102316.0-19.6160122
SS7.6-8.9102316.0-19.6160122
S426.2-32.02090

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