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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.

When blind-threaded types are used, outer sheet surfaces are not only flush, but closed as well.

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.
Blind Threaded Standoffs - Types BSO, BSOA, BSOS
Blind Threaded Standoffs - Types BSO, BSOA, BSOS 2
Unit of Measure
Items Blind Threaded Standoffs - Types BSO, BSOA, BSOS
BSO-M3-6ZI
Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric
Blind Threaded Standoffs - Types BSO, BSOA, BSOS
BSO-M3-8ZI
Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric
Blind Threaded Standoffs - Types BSO, BSOA, BSOS
BSO-M3-10ZI
Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric
Blind Threaded Standoffs - Types BSO, BSOA, BSOS
BSO-M3-12ZI
Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric
Blind Threaded Standoffs - Types BSO, BSOA, BSOS
BSO-M3-14ZI
Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric
Description N/A 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.

When blind-threaded types are used, outer sheet surfaces are not only flush, but closed as well.

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.
Thread Size x Pitch N/A M3 x 0.5
Thread Code N/A M3
Length Code N/A 6 N/A 8 N/A 10 N/A 12 N/A 14
Material Code N/A
Min. Sheet Thickness N/A 1.0 mm
Hole Size in Sheet + 0.08 N/A 4.22 mm
C - 0.13 N/A 4.2 mm a1351.jpg
F Min. N/A 3.20 mm N/A 4.00 mm N/A 4.00 mm N/A 5.00 mm N/A 6.50 mm
H Nom. N/A 4.8 mm
L - Length +0.05 –0.13 N/A 6 mm N/A 8 mm N/A 10 mm N/A 12 mm N/A 14 mm
Min. Dist. Hole C/L to Edge N/A 6.00 mm
For Use in Sheet Hardness1 N/A HRB 80 / HB 150 or less
Thread Specification N/A Internal, ANSI/ASME B1.13M, 6H
Fastener Material N/A Heat-Treated Carbon Steel
Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
CAD Supplier N/A PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.