The raw material is rolled wire, mainly from Austria. This wire is drawn, surface treated and converted into a wide range of products.

Hexagon socket head screw with two grooves. The production from wire to the finished galvanized part requires six steps.
High Performance Cold Headers
High Performance Cold Headers
Metalworking and Toolmaking
Metalworking and Toolmaking

CNC Lathe
CNC Lathe
Thread Rolling Machines
Thread Rolling Machines

Heat Treatment Line
Heat Treatment Line

Materials: Iron and steel, non ferrous metals (brass, Cu, Al), various alloys, stainless materials.

Dimensions: Bolt length up to 120 mm, shank diameter up to 16 mm, head diameter up to 28 mm.

Cold headers: single blow headers, double blow headers, progressive headers, rotation headers.

Secondary operation machines for grooves and drillings, thread rolling machines, mechanically and electronically controlled testing and sorting systems, heat treatment lines.

Surface treatment: Bright galvanizing (blue, yellow and black chromated, chrome VI-free), sliding coating for screwing and sealing, copper, nickel and tin plating, phosphating, plastic surfaces for screw fixings.

VTK Krieglach GmbH (external link): a galvanizing company in Styria