THOMAS Welding Systems SA
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Standard ARC 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.
 

Stud material : 4.8 (suitable for welding).
µ = 0,18   /   Rp0,2= 340 N/mm2
  Maximum Fastening Torque (in Nm)
Stud Type PD / PDB RB
M 6 6.1 5.2
M 8 15 13
M 10 30 25
M 12 53 45
M 16 135 115
M 20 260 225
M 24 450 -
Stud material : A2-50 (suitable for welding).
µ = 0,18   /   Rp0,2= 210 N/mm2
  Maximum  Fastening  Torque (in Nm)
Stud Type PD / PDB RB
M 6 3.8 -
M 8 9.5 -
M 10 19 -
M 12 33 -
M 16 82 -
M 20 160 -
M 24 277 -

These values should develop fastener tension to slightly less than yield point and should be used only as a guide.
Stud material : 4.8 (suitable for welding).
µ = 0,18   /   Rp0,2= 340 N/mm2
  Ultimate Tensile Load (in kN)
Stud Type PD / PDB RB
M 6 5.85 5.05
M 8 10.65 8.78
M 10 16.87 14.26
M 12 24.52 20.62
M 16 45.67 39.81
M 20 71.73 62.20