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.

Types TSO, TSOS, and TSOA self-clinching threaded standoffs provide permanent threads in sheets as thin as .025”.

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.
Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
Threaded Standoffs for Sheets as Thin as .025” - Types TSO, TSOA, TSOS 2
Unit of Measure
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Item #

Thread Size

Style

Hole Size in Sheet + .003 - .000

C + .000 - .005

L - Length ± .003

Fastener Material

Standard Finish

CAD

TSO-440-125ZI N/A .112-40 (#4-40) N/A #1 N/A .166 in N/A .165 in N/A .125 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-187ZI N/A .112-40 (#4-40) N/A #1 N/A .166 in N/A .165 in N/A .187 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-250ZI N/A .112-40 (#4-40) N/A #1 N/A .166 in N/A .165 in N/A .250 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-312ZI N/A .112-40 (#4-40) N/A #2 N/A .166 in N/A .165 in N/A .312 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-375ZI N/A .112-40 (#4-40) N/A #2 N/A .166 in N/A .165 in N/A .375 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-437ZI N/A .112-40 (#4-40) N/A #2 N/A .166 in N/A .165 in N/A .437 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-500ZI N/A .112-40 (#4-40) N/A #3 N/A .166 in N/A .165 in N/A .500 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-562ZI N/A .112-40 (#4-40) N/A #3 N/A .166 in N/A .165 in N/A .562 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-625ZI N/A .112-40 (#4-40) N/A #3 N/A .166 in N/A .165 in N/A .625 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-687ZI N/A .112-40 (#4-40) N/A #3 N/A .166 in N/A .165 in N/A .687 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-440-750ZI N/A .112-40 (#4-40) N/A #3 N/A .166 in N/A .165 in N/A .750 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-090ZI N/A .112-40 (#4-40) N/A #1 N/A .213 in N/A .212 in N/A .090 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-125ZI N/A .112-40 (#4-40) N/A #1 N/A .213 in N/A .212 in N/A .125 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-187ZI N/A .112-40 (#4-40) N/A #1 N/A .213 in N/A .212 in N/A .187 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-250ZI N/A .112-40 (#4-40) N/A #1 N/A .213 in N/A .212 in N/A .250 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-312ZI N/A .112-40 (#4-40) N/A #2 N/A .213 in N/A .212 in N/A .312 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-375ZI N/A .112-40 (#4-40) N/A #2 N/A .213 in N/A .212 in N/A .375 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-437ZI N/A .112-40 (#4-40) N/A #2 N/A .213 in N/A .212 in N/A .437 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-500ZI N/A .112-40 (#4-40) N/A #3 N/A .213 in N/A .212 in N/A .500 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-562ZI N/A .112-40 (#4-40) N/A #3 N/A .213 in N/A .212 in N/A .562 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-625ZI N/A .112-40 (#4-40) N/A #3 N/A .213 in N/A .212 in N/A .625 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-687ZI N/A .112-40 (#4-40) N/A #3 N/A .213 in N/A .212 in N/A .687 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-6440-750ZI N/A .112-40 (#4-40) N/A #3 N/A .213 in N/A .212 in N/A .750 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-632-125ZI N/A .138-32 (#6-32) N/A #1 N/A .213 in N/A .212 in N/A .125 in N/A Non-heat Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
TSO-632-187ZI N/A .138-32 (#6-32) N/A #1 N/A .213 in N/A .212 in N/A .187 in N/A Non-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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