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.

PEM® brand thru-hole threaded standoffs are installed with their heads flush with one surface of the mounting sheet.
Thru-Hole Threaded Standoffs - Types SO, SOA, SOS
Thru-hole Threaded Standoffs - Types SO, SOA, SOS 2
Unit of Measure
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Item #

Thread Size x Pitch

Hole Size in Sheet + 0.08

C - 0.13

H Nom.

L - Length +0.05 –0.13

Fastener Material

Standard Finish

CAD

SO-M3.5-16ZI N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 16 mm 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)
SO-M3.5-18ZI N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 18 mm 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)
SO-M3.5-20ZI N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 20 mm 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)
SO-M3.5-22ZI N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 22 mm 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)
SO-M3.5-25ZI N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 25.00 mm 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)
SO-M4-3ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 3 mm 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)
SO-M4-4ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 4 mm 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)
SO-M4-6ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 6 mm 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)
SO-M4-8ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 8 mm 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)
SO-M4-10ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 10 mm 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)
SO-M4-12ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 12.00 mm 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)
SO-M4-14ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 14 mm 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)
SO-M4-16ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 16 mm 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)
SO-M4-18ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 18 mm 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)
SO-M4-20ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 20 mm 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)
SO-M4-22ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 22 mm 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)
SO-M4-25ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 25.00 mm 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)
SO-M5-3ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 3 mm 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)
SO-M5-4ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 4 mm 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)
SO-M5-6ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 6 mm 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)
SO-M5-8ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 8 mm 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)
SO-M5-10ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 10 mm 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)
SO-M5-12ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 12.00 mm 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)
SO-M5-14ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 14 mm 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)
SO-M5-16ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 16 mm 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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