8 reasons why drills break

8 reasons why drills break

Basically, drilling holes does not seem to be witchcraft. Nevertheless, especially when drilling into hard workpieces, it can happen that the drill breaks and in the worst case gets stuck. Find out in this article how this may happen and how you can prevent the drill from breaking.

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How to countersink a screw

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

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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8 features of a twist drill and its functions

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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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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