Knowledge

The use of coolants and lubricants in metal cutting is extremely important. Why this is so and the advantages of cooling and lubricating are explained in this article.

Due to the development of the coronavirus, we would like to keep you continuously up to date on the current status at RUKO.

You want to drill into a steel beam and don't know which drill to use? In this article you will learn what drill to use, and what you should be aware of.

RUKO GmbH Präzisionswerkzeuge, manufacturer of drilling, countersinking and cutting tools, has developed a new step drill with step lengths of ten millimeters: The ULTIMATECUT step drill revolutionizes the work process and sets new standards in flexibility and processing time by combining different tools with each other. The new ULTIMATECUT step drill will be available in specialized retailer starting in mid-April 2019.

In order to manufacture drills, a tool steel is required that best meets the requirements of the application. For the production of drilling tools for metal cutting, high speed steel is used.

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.

Countersinks differ in shape and application. For example, countersinks can be used for deburring drilled holes or for countersinking screws. How countersinks are constructed and in which applications they are used are described in this article.

You want to drill a hole in stainless steel but don't know which twist drill to use? In this article we explain how to drill in stainless steel and which twist drills to use.

Like step drills, sheet drills are used for cutting sheet metal. In this article you will find out which characteristics sheet drills have and which differences exist compared to step drills.

A variety of drills can be used to cut circular holes in workpieces. In this article you will find out in which applications step drills are used and what features they have.

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.

Bi-metal hole saws are available in the tool steels HSS and HSSE-Co 8, in which materials you can drill best with them you will find out in this article.