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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Standoffs for Sheet Metal > Close to Edge Standoffs – Types DSO, DSOS > Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified > Part # DSO-440-250ZI  
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Part # DSO-440-250ZI, Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified


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 DSO and DSOS standoffs are available for close-to-edge applications.

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.

Available in other lengths on special order.




 Specifications   

Thread Size
.112-40 (#4-40)

Thread Code
440

Length Code
250

Sheet Thickness
.037 to .250

Hole Size in Sheet + .003 - .000
.166 in

C Max.

 View
.165 in

H Nom.
.194 in

L + .002 -.0051
.250 in

Min. Dist. Hole C/L to Edge
.126 in

For Use in Sheet Hardness2
HRB 80 / HB 150 or less

Thread Specification
Internal, ANSI B1.1, 2B

Fastener Material
Heat-Treated Carbon Steel

Standard Finish
Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier
PennEngineering® (PEM®)
1 Available in other lengths on special order.
2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.



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PEM Bulletin SO

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