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How to countersink a screw
November 15, 2018

How to countersink a screw

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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The structure and application of countersinks
October 18, 2018

The structure and application of countersinks

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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August 9. 2018

How to install a Qi charging station in a desk

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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May 24, 2018

How to cut an internal thread in 3 steps

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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March 28, 2018

RUnaTEC: The RUKO nano Technology coating

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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8 features of a twist drill and its functions
January 30, 2018

8 features of a twist drill and its functions

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?

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November 15, 2017

TiN: The titanium-nitride coating

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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RUKO Logo RUKO GmbH est depuis 1974 un des leaders mondiaux des fabricants de forets, de fraises à chanfreiner, de haute qualité, pour les transformateurs de métaux.

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Robert-Bosch-Str. 7-11
71088 Holzgerlingen
info@ruko.de
+49 (0)7031/6800-0