Zygology
Zygology Ltd
Unit 7, Thame 40 Jane Morbey Road
Thame Oxon OX9 3RR
Phone: 0808 123 1221
Fax: +44 1844 266021
Email: sales@zygology.com
Web Address: www.zygology.com
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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
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Item #

Thread Size

Hole Size in Sheet + .003 - .000

C + .000 - .005

F Min.

H Nom.

L - Length +.002 –.005

Fastener Material

Standard Finish

CAD

BSO-8632-32ZI N/A .138-32 (#6-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A 1.00 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-8632-34ZI N/A .138-32 (#6-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A 1.062 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-10ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .156 in N/A .312 in N/A .312 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-12ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .156 in N/A .312 in N/A .375 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-14ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .187 in N/A .312 in N/A .437 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-16ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .500 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-18ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .562 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-20ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .625 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-22ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .687 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-24ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .750 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-26ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .812 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-28ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .875 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-30ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .937 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-32ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A 1.00 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-832-34ZI N/A .164-32 (#8-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A 1.062 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-10ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .156 in N/A .312 in N/A .312 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-12ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .156 in N/A .312 in N/A .375 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-14ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .187 in N/A .312 in N/A .437 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-16ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .500 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-18ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .562 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-20ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .250 in N/A .312 in N/A .625 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-22ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .687 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-24ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .750 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-26ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .812 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
BSO-032-28ZI N/A .190-32 (#10-32) N/A .281 in N/A .280 in N/A .375 in N/A .312 in N/A .875 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
Unit of Measure
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