AM 12 A


  • For welding of welding nuts of type HexNut
  • For welding on perforated and unperforated metal sheets
  • Especially suitable for workshop and assembly area


  • Rigid casing made of impact-resistant plastic
  • Zero-play ball linear bearing for guiding the welding piston
  • Sealed welding piston guidance
  • Integrated lift and spring-loaded adjustment


  • Lock-in spring adjustment
  • High level of security to prevent the selected settings being changed inadvertently
  • Guidance system protected against spatters
  • Temperature monitoring


  • Reproducible piston movement with minimized rebound effect for optimum welding quality via lift damper
  • Welding on painted sheets possible (clean, smooth and flat surfaces and grounding required)
  • Automatic length compensation
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Welding range Welding nuts of type HexNut M6 to M12
Wall thickness 1 to 3 mm / 0.04″ to 0.12″ (other sheet thicknesses on request)
Welding element material A2-50
Welding element type MARC welding nut – type HexNut
Welding rate Up to 4 welding nuts/min. The maximum welding sequence is limited by a number of parameters.
Length compensation 3 mm / 0.12″, automatic
Lift Adjustment range 3 mm / 0.12″, lockable
Spring pressure Adjustable, arresting
Welding cable 5 m / 16.40′
IP Code IP 20
Workplace noise level Up to 90 dB (A) may occur during welding
Dimension LxWxH 320 x 70 x 200 mm / 12.60″ x 2.76″ x 7.87″ (without cable, with leg assembly)
Weight 0.9 kg / 1.98 lbs (without cable)