BS12 | Self-clinching Ball Studs

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Dimensions

Sheet 1
Thickness
Sheet 2
Thickness
Length
Code
L
±0.25
S
±0.13
0.64-1.30 1.02-1.25 466 11.84 9.47
1.27-1.50 476 12.09 9.73
1.31-1.98 1.02-1.25 492 12.50 10.13
1.27-1.50 502 12.75 10.39
1.99-2.67 1.02-1.25 518 13.16 10.80
1.27-1.50 528 13.41 11.05
2.68-3.35 1.02-1.25 544 13.82 11.46
1.27-1.50 554 14.07 11.71
3.36-4.04 1.02-1.25 570 14.48 12.12
1.27-1.50 580 14.73 12.37
4.05-4.75 1.02-1.25 596 15.14 12.78
1.27-1.50 606 15.39 13.03
4.50-5.16 1.02-1.25 615 15.62 13.26
1.27-1.50 625 15.88 13.51
5.84-6.50 1.02-1.25 670 17.02 14.66
1.27-1.50 680 17.27 14.91

Material & Finish

Material Code Material Description Finish Code Finish Description Empty
HRB 70
Max.
HRB 80
Max.
HRB 88
Max.
S4 400 Series Stainless Steel P Passivated
STL Low Carbon Steel Z Zinc Clear
SS Stainless Steel P Passivated

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 Code Test Sheet Material
5052-H32 Aluminum 1008 Carbon Steel HRB 60 304 Stainless Steel HRB 70
Installation kN Push-out N Installation kN Push-out N Installation kN Push-out N
STL 7.6-8.9 1023 16.0-19.6 1601 2 2
SS 7.6-8.9 1023 16.0-19.6 1601 2 2
S4 26.2-32.0 2090

  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.