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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 0.63 mm.

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
Items Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
TSO-M25-200ZI
Threaded Standoffs for Sheets as Thin as 0.63mm - Types TSO, TSOA, TSOS - Metric
Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
TSO-M25-300ZI
Threaded Standoffs for Sheets as Thin as 0.63mm - Types TSO, TSOA, TSOS - Metric
Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
TSO-M25-400ZI
Threaded Standoffs for Sheets as Thin as 0.63mm - Types TSO, TSOA, TSOS - Metric
Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
TSO-M25-600ZI
Threaded Standoffs for Sheets as Thin as 0.63mm - Types TSO, TSOA, TSOS - Metric
Thin sheet, thru-hole standoffs - TSO, TSOA, TSOS
TSO-M25-800ZI
Threaded Standoffs for Sheets as Thin as 0.63mm - Types TSO, TSOA, TSOS - 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.

Types TSO, TSOS, and TSOA self-clinching threaded standoffs provide permanent threads in sheets as thin as 0.63 mm.

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 M2.5 x 0.45
Thread Code N/A M25
Length Code N/A 200 N/A 300 N/A 400 N/A 600 N/A 800
Material Code N/A
Style N/A #1 N/A #1 N/A #1 N/A #1 N/A #2
Min. Sheet Thickness N/A 0.63 mm
Hole Size in Sheet + 0.08 N/A 4.22 mm
C - 0.13 N/A 4.2 mm a1354.jpg
D - Min. Thread Depth N/A N/A N/A N/A N/A 5.20 mm
H Nom. N/A 4.8 mm
L - Length ± 0.081 N/A 2 mm N/A 3 mm N/A 4 mm N/A 6 mm N/A 8 mm
Min. Dist. Hole C/L to Edge N/A 5.8 mm
For Use in Sheet Hardness2 N/A HRB 60 / HB 107 or Less
Thread Specification N/A Internal, ANSI/ASME B1.13M, 6H
Fastener Material N/A Non-heat Treated Carbon Steel
Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
  • 1 Available in other lengths on special order.
  • 2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.