Self-clinching Standoffs - Zins

BPC – Self-clinching Bumper® Standoffs

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3D CAD Models available. Contact a PENCOM Account Representative to request.

Part Description Example

  • SBSTMaterial
    Code
  • 632Thread
    Code
  • 1.250Length
  • ZBody
    Finish
    Code
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*Contact a PENCOM Account Representative for the part number based on the description.

Features

  • Self-clinching design provides quick and permanent installation in .040” (1.02mm) min. thick aluminum, cold-rolled steel and stainless steel sheets.
  • Flush appearance on the back side of sheet surface.
  • Custom lengths available by request.
bpc-features

Length

Inch

Length
± .010
1.000
1.125
1. 250
1.375
1.500
1. 625
1.750
1. 875
2.000

Metric

Length
± 0.25
26
29
32
35
38
41
44
47
50
bpc-length-captionBPC Self-clinching Bumper Standoffs provide a permanent and reliable installation that creates a flush appearance on the back side of aluminum, carbon steel and stainless steel sheets.

Body Material and Finish

Body Material CodeBody Material DescriptionBody Finish CodeBody Finish DescriptionFor Use in Sheet Hardness
HrB 70
Max.
HrB 80
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 Stainless SteelPPassivated and/or Tested per ASTM A 967
(1) Custom materials and finishes available by request. Tip Material and Color: Nylon UL94-V0 / White

Installation

  1. Punch or drill hole in .040in (1.02mm) minimum thick sheet a distance of .33in (8.4mm) minimum from hole center to edge. 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 TL1288, respectively, or made from hardened tool steel.
bpc-installation

Performance

Body Material CodeTest Sheet Material
 5052-H32 Aluminum1008 Carbon Steel HRB 60304 Stainless Steel HRB 70
 Installation lbs
(kN)
Push-out lbs
(N)
Installation lbs
(kN)
Push-out lbs
(N)
Installation lbs
(kN)
Push-out lbs
(N)
STL2500 - 3 000 (11.1-13.3)240 (1060)510 0 -610 0 (22.7-27.1)360 (1600)(2)(2)
SS2500 - 3 000 (11.1-13.3)240 (1060)5100-6100 (22.7-27.1)360 (1600)(2)(2)
S4----7200 - 8800 (32.0 - 39.1)360 (1600)
(1) Performance data represents the average 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.
(2) Not recommended.