THOMAS Welding Systems SA
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Standard CD/SC Stud Fastener Load Strengths

These basic specifications are typical values of mechanical properties of welding studs.
For actual material analysis and physical properties THOMAS WELDING SYSTEMS will provide, upon request, a detailed material certification.

CFT / AFT

Maximum  Fastening  Torque (in Ncm)

Stud Material  Mild steel
 4.8
Stainless steel:
A2-50
Brass
Ms 63
Aluminum
Almg3
M 3 80 50 60 40
M 4 180 110 130 90
M 5 360 230 270 190
M 6 610 380 450 310
M 8 1500 950 1100 750
M 10 3000 1900 - -
M 12 5300 3300 - -
These values should develop fastener tension to slightly less than yield point and should be used only as a guide.