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These standoffs, which use the proven self-clinching design, install with a squeeze in properly sized round holes - and become permanently mounted in the thin sheet.

Types BSO4 standoffs are for installation into stainless steel sheets as thin as 1.02mm.

If you require a standoff which we do not offer in this bulletin, please contact us. We will be happy to work with you to satisfy your special need.
Unit of Measure

Thread Size x Pitch

M3 x 0.5

Thread Code

M3

Length Code

25

Material Code

4

Min. Sheet Thickness

1 mm

Hole Size in Sheet + 0.08

4.22 mm

C - 0.13

4.2 mm
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F Min.

9.50 mm

H Nom.

4.8 mm
L - Length + 0.05 –0.131 25 mm
Min. Dist. Hole C/L to Edge2 6 mm
For Use in Sheet Hardness3 HRB 88 / HB 176 or Less

Thread Specification

Internal, ANSI/ASME B1.13M, 6H

Fastener Material

400 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

CAD Supplier

PennEngineering® (PEM®)

Inventory

  • 1 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”
  • 2 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 3 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.