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.
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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.
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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.
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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.
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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.
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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.
Read more...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.
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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.
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There are hole saws in different variations: HSS, carbide and bimetal hole saws. In this article we take a closer look at the properties of HSS and carbide hole saws.
Read more...To install a tap in a sink, you need a screw hole punch. Learn in this article and video how to use it correctly.
Read more...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.
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In the last months we have presented five coatings that refine RUKO precision tools. In this article we compare them and give an overview of the properties of these coatings.
Read more...Internal threads are required for screws or to screw two individual elements together. In this article we show you how to cut an internal thread in steel, cast iron, aluminium etc. in only three steps.
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To cut an internal thread, the appropriate tap must be selected. In this article you will learn the characteristics of internal taps and what influence they have on the selection.
Read more...The RUnaTEC coating has a special nanocomposite structure. This enhances the properties of the coating and thus improves the quality of the coated tool. Learn the positive effects of the coating in this article.
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A screw is broken, turns through, or is stuck in a workpiece? No problem, with our instructions you can easily get it out.
Read more...In contrast to the TiN coating, the TiCN coating contains carbon as a further chemical element. Find out what surplus the element brings in the application.
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Do you know these terms: Helix angle, point angle, main cutting edge, profile of flute? If not, you should continue reading. We will answer questions like: What is a secondary cutting edge? What is a helix angle? How do they affect the use in an application?
Read more...What is the difference between the AlTiN and TiAlN coating? Learn this and the properties and advantages of the AlTiN coating in this article.
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In addition to the point cut, there are also various point thinnings on twist drills. Learn what decisive influences they have on the drilling process.
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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.
Read more...What advantages does the TiAlN coating offer compared to uncoated or TiN coated tools? Learn the properties and advantages of the TiAlN coating.
Read more...Are you wondering if it makes sense to drill with a TiN-coated drill in aluminum? In this article we describe the properties of the TiN coating – and, of course, answer the aluminum question.
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We answer questions like; Why are tools coated at all? When do I use which coating? When drilling is there anything else besides the coating that I have to consider?
Read more...Tips, tricks, and useful information about metal cutting.
Since 1974, RUKO GmbH PRECISION TOOLS is one of the
world's leading manufacturers of metal drilling and countersinking tools.
