How-to

Large drill diameters in metal often mean high effort, long machining times and increased tool wear. The classic twist drill quickly reaches its limits, especially with structural steel or series drilling. Core drills are the more efficient solution here - however, the right application is crucial for clean results and a long service life.

The core drill HSS PerforMAX is a tool specially developed for stable drilling processes and cost-effective work in metal applications.

In this article, you will learn how to use the core drill HSS PerforMAX correctly step by step, how to avoid misttakes and how to use its full potential.

With the new ULTIMATECUT Multidrill with FLOWSTEP® tip, RUKO is setting a new standard for powerful, versatile drilling tools. Developed for demanding applications and with a cutting depth of 10.0 millimeters, this precision tool combines several functions in a single product—making everyday work noticeably easier for craftsmen and craftswomen.

Efficiency plays a decisive role in metal cutting. That is why we are continuously improving our tools, which not only save time, but also offer high precision and durability. One such tool is our ULTIMATECUT Combi machine tap.

Screws have heads, which in some cases have to stick out. In most cases, however, the aim is to countersink the head flush with the surface of the material. How to countersink a screw is explained in this article.

You want to charge your smartphone wirelessly and install the Qi charging station in a piece of furniture? In this article we show you how to drill a hole for the IKEA RÄLLEN loading pad into a desk with the bimetal hole saw.

To install a tap or fitting in a sink, you need a screw hole punch. In this article and video we will show you how to use it correctly.

To screw a counterpart into an internal thread, the counterpart requires an external thread. In this article we show you how to cut an external thread into an aluminium rod in two steps.

The most common connection is still the screw connection. To screw a screw into a workpiece, you need an internal thread. In this article we show you how to cut an internal thread in steel, cast iron, aluminium etc. in only three steps.

A screw is broken, turns through, or is stuck in a workpiece? No problem, with our instructions you can easily get it out.

There are various causes that can lead to the destruction of threads, for instance corrosion, wear or a too high tightening torque. In this article we will explain how to fix the damaged thread.