Developed for goldsmiths


The new PUK 5.1 

The PUK is a precision welding unit based on the TIG welding technique. By creating an arc, a welding spot with a diameter of approx. 0.2 - 3.7 mm is generated. A tungsten electrode is clamped in the handpiece and the arc is ignited from its tip. Tungsten has the highest melting point of all metals (3422°C), while the electrode itself does not melt.

 Welding on accessories

 Fixation work

 Creating seams

 Applying metal

 Welding eyelets

 Welding of diverse precious metals

Working with the PUK 5.1

Workpieces are melted at certain points and thus connected with each other.

Additive welding material ideally always has the same melting temperature as the workpiece itself, whereas during soldering the solder always has a lower melting temperature than the workpiece. Thus the risks of solder continuing to flow are avoided.

No annealing of the material - even mechanisms and thin sheets can therefore be worked on without compromising strength.

No differences in colour or hardness.

Advantages of the PUK technology


Intuitive operation

Intelligent presettings - only two operating steps are required:

1. Selection of metal group and work situation 
2. Welding


Special electrodes free from toxic components

Optimised ignition and welding properties


Precision handpiece for precision welding

Solid material quality through stainless steel and Teflon offer optimal conditions for precision in production and reliability in application.

clock arrow

Practical and fast: the plug-in nozzle and clamping nut allow fast and tool-free changing of the electrodes.

Easy handling: well thought-out details facilitate the handling of the components.

Ergonomic working: the individual adjustment of the working position as well as comfortable hand supports allow fatigue-free working.

drop shield

High quality workmanship in every detail

Durable and quiet due to dustproof housing without fan

High quality connectors

Professional screw and plug-in connections ensure durability and guarantee lasting safety in daily use.

PUK 5.1 accessories

Welding Wire, 500Pd/Ag, ø 0.4 mm, 50 cm

available, in stock

partially in stock

Item no.: G20546
1 piece
Welding Wire, 940Ag, ø 0.35 mm 100 cm

available, in stock

partially in stock

Item no.: G20541
1 piece