Sharpening drill bits? When and how it's worth it
by Paul Richter
October 14, 2025
A blunt drill bit damages material and nerves. Here you'll learn how to resharpen drill bits in a timely manner and how to recognize wear.
Using countersinks correctly: How to achieve perfect countersinking
by Paul Richter
October 14, 2025
Learn how to achieve clean, burr-free countersinks with the right countersink. Tips on materials, speed, and application for precise results.
4 features to identify a good metal drill at first glance
by Paul Richter
October 14, 2025
How can I recognize a good metal drill at first glance? These 4 characteristics will help you identify a good metal hospital drill...
How to determine the correct core hole size when threading
by Paul Richter
October 4, 2025
The correct core hole size is crucial for clean threads. Here you'll learn how to calculate it and apply it in practice.
Understanding thread cutting
by Paul Richter
October 1, 2025
From hand taps to CNC processes.
Thread cutting is one of the oldest and most precise metalworking processes. Whether in mechanical engineering,...
The history of thread cutting
by Paul Richter
October 1, 2025
From the first hand-filed thread to modern CNC machining – how thread cutting has evolved over time.
The development of the thread
by Paul Richter
September 1, 2025
From vice to space travel
The thread: A seemingly simple form that literally holds our modern lives together. Whether in machinery, cars, or ae...
Tool steel, HSS and TiN – what the abbreviations on your drills mean
by Paul Richter
August 14, 2025
HSS, HSS-G, TiN, or HSS-Co – what do these abbreviations stand for? Here you'll learn which materials and coatings make the difference.
Precision counts – measure drill diameters and threads correctly
by Paul Richter
July 7, 2025
How do you measure holes or threads correctly? Here you'll learn which measuring tools you need and which mistakes you should avoid.
Safety when drilling: Important tips for DIY enthusiasts and professionals
by Paul Richter
May 21, 2025
Before you start drilling, you should first familiarize yourself with some safety aspects . Drilling generates chips, and drilling into stone creates dust. Please always follow the safety instructions and consult our checklist ☑
How to avoid chatter marks when sinking
by Paul Richter
April 16, 2025
Chatter marks occur during countersinking due to vibrations or incorrect cutting conditions. Here's how to avoid them.
Why tool quality is cheaper in the long run
by Paul Richter
February 21, 2025
Good tools cost money, bad tools cost more. Why quality always pays off in the long run.
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