December 10, 2019
What drill do I use for drilling into a steel beam
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.
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January 10, 2019
High Speed Steel: From which steel are drills made of
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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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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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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September 13, 2018
Which twist drill do I use to drill in stainless steel
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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August 30, 2018
6 features of a sheet drill and its uses
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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August 23, 2018
5 features of a step drill and its applications
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... 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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August 2, 2018
Bi-metal hole saws and its applications
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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July 26, 2018
What you should know about HSS and carbide hole saws
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... July 19, 2018
How do I punch a hole in the sink
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... July 3, 2018
How to cut an external thread in 2 steps
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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June 21, 2018
TiN, TiAlN, AlTiN... a comparison of the coatings
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... 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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May 17, 2018
6 features of internal taps at a glance
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... 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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February 13, 2018
How to remove a broken screw from a workpiece?
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... February 6, 2018
TiCN: The titanium-carbon-nitride coating
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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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?
Read more... January 18, 2018
AlTiN: The aluminium-titanium-nitride coating
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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January 11, 2018
Point cuts and point thinnings of twist drills for metal cutting
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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December 20, 2017
How do I repair a damaged thread in 4 steps?
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... December 7, 2017
TiAlN: The titanium-aluminium-nitride coating
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... 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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November 10, 2017
TiN, TiAlN... five coatings that increase service life of RUKO tools
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...The RUKO Blog
Tips, tricks, and useful information about metal cutting.
News
RUKO develops world first: ULTIMATECUT step drill with 10 mm step length
March 08, 2019
RUKO develops next generation of step drills
July 10, 2018
The RUKO app: Find RUKO products quickly and easily
April 10, 2018
About us
Since 1974, RUKO GmbH PRECISION TOOLS is one of the
world's leading manufacturers of metal drilling and countersinking tools.
Latest blog posts
High Speed Steel: From which steel are drills made of
January 10, 2019
How to countersink a screw
November 15, 2018
Contact
Robert-Bosch-Str. 7-11
71088 Holzgerlingen
info@ruko.de
+49 (0)7031/6800-0