Know-how – Page 3

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?

What is the difference between the AlTiN and TiAlN coating? Learn this and the properties and advantages of the AlTiN coating in this article.

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.

What advantages does the TiAlN coating offer compared to uncoated or TiN coated tools? In this article we describe the properties and advantages of the TiAlN coating.

Do you wonder 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.

At RUKO twist drills, countersinks, tube and sheet drills, core drills are refined with up to six different coatings.