THOMAS Welding Systems SA
ZONE INDUSTRIELLE, 3EME RUE Tél : +32 71.91.97.60
B. 6040 JUMET (BELGIUM) Fax : +32 71.91.96.71
Sales Contact : Email
For information  : Fill-in a form BE  FR  LU 
 

Coppered steel

Stainless steel Aluminum Brass
 CFI  CD Capacitors Discharge welding internally threaded studs CD Capacitors Discharge welding internally threaded studs  CD Capacitors Discharge welding internally threaded studs  CD Capacitors Discharge welding internally threaded studs

M 3 - M 8

M 3 - M 8

M 3 - M 5

M 3 - M 5

  • Capacitor Discharge Studs are designed to be welded to thin gauge sheet material using tip ignition according to the capacitors discharge welding process. 
  • Capacitor Discharge Studs are available in many different sizes, from a base diameter of a 2 mm stud up to 12 mm.   
  • Standard material for CD Studs are: Low Carbon Copper Flashed Steel, Stainless Steel, Aluminum Alloy, and Brass.
  • Other grades, i.e. AISI 316 (A4), AISI 310 are available on request 
  • The stud flange is designed according to EN ISO 13918.
  • Studs made of steel 4.8 are protected against corrosion by copper coating. (Thickness : 3 to 5 µm)
 

   colonette douille goujon filet intérieur CD pour soudage par décharge de condensateurs d2

l

d1 b h d3
M 3  6 - 30 mm 5 mm 5 mm 0,8 - 1,4 mm 6,5 mm
M 4 6 - 35 mm 6 mm 6 mm 0,8 - 1,4 mm 7,5 mm
M 5 10 - 40 mm 7,1 mm 7,5 mm 0,8 - 1,4 mm 8,5 mm
M 6 10 - 30 mm 8,0 mm 9 mm 0,8 - 1,4 mm 9,0 mm
M 8 15 - 40 mm 10,8 mm 10 mm 1,8 - 2,5 mm 11,2 mm

b is constrained to relatively short lengths.