PennEngineering - Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified

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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 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.

Unit of Measure

Items	DSOS-440-250 Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified	DSOS-440-275 Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified	DSO-440-250ZI Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified	DSO-440-275ZI Threaded Standoffs for Close-To-Edge Applications - Types DSO, DSOS - Unified
Thread Size	N/A .112-40 (#4-40)
Thread Code	N/A 440
Length Code	N/A 250	N/A 275	N/A 250	N/A 275
Material Code	N/A S	N/A S	N/A	N/A
Sheet Thickness	N/A .037 to .250
Hole Size in Sheet + .003 - .000	N/A .166 in
C Max.	N/A .165 in
H Nom.	N/A .194 in
L + .002 -.005¹	N/A .250 in	N/A .275 in	N/A .250 in	N/A .275 in
Min. Dist. Hole C/L to Edge	N/A .126 in
For Use in Sheet Hardness²	N/A HRB 70 / HB 125 or Less	N/A HRB 70 / HB 125 or Less	N/A HRB 80 / HB 150 or less	N/A HRB 80 / HB 150 or less
Thread Specification	N/A Internal, ANSI B1.1, 2B
Fastener Material	N/A 300 Series Stainless Steel	N/A 300 Series Stainless Steel	N/A Heat-Treated Carbon Steel	N/A Heat-Treated Carbon Steel
Standard Finish	N/A Passivated and/or tested per ASTM A380	N/A Passivated and/or tested per ASTM A380	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
CAD Supplier	N/A PennEngineering® (PEM®)
¹ Available in other lengths on special order. ² HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.

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