Home /
Blog

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Unscrew screw in workpiece with left-hand cutting twist drill

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.

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.

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?

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.

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.

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.

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.

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.

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?