RUKO GmbH Präzisionswerkzeuge

Thread chaser
By using the RUKO external and internal thread chasers you save money on maintenance and installation work on construction sites and in agricultural industry, vehicle repairs, and many other applications where thread damage may occur. Compare the effort for the complete dismantling of a component with the possibility of IMMEDIATE repair by the external and internal thread chasers from RUKO. The thread chasers adjust automatically to the thread diameter and pitch. They are suitable for left-hand and right-hand threads (metric and inches) and require no prior thread measurement. The threaded ends are so often damaged that neither common screw taps nor threading dies can be used for repair. The external and internal thread chasers from RUKO can be applied BELOW the damage and then used for recutting up to the threaded end. The blades made of hardened tool steel reach into the grooves of the intact thread and trim the damaged area.

• The internal thread chaser from RUKO is available in nine sizes and can be used for trimming threads with a diameter of 5,0 mm (3/16") to 108,0 mm (4 1/4").
• The external thread chaser from RUKO is available in four sizes and can be used for trimming threads with a diameter of 4,0 mm (5/32") to 152,0 mm (6").

Thread repair tool
There are various causes that lead to the destruction of threads. These include for instance corrosion, wear or a too high tightening torque. The ProCoil thread repair range by RUKO allows for a low-cost, simple and quick repair of damaged and worn out threads. Galvanized steel guarantees high quality internal threads that withstand effects of temperature and corrosion. One more advantage of the ProCoil range is the simple and quick installation. Application areas are for instance machine and plant construction, automotive and electrical engineering, power plant technology or shipbuilding. Besides repair, scrap recycling is also of great significance to the industry.