Thread profiles – Determining variables on the thread In today’s article we will take a closer look at thread profiles. The main focus is on the outer diameter, the core diameter, the flank diameter. The determinants of the diameters on a thread A thread is essentially determined by the following diameter sizes: Outer diameter: The …
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Helpful and interesting facts about core drilling Before you can cut an internal thread, you must drill a core hole. A core hole is the hole into which an internal thread is cut. The core hole is drilled using a twist drill. Synonyms used in this context for the twist drill are core hole drills or core …
Core hole drilling – helpful and worth knowing | GSR Blog Read More »
HSS vs. HSSE Today we want to take a closer look at the question whether HSS-E is generally better than HSS. What are the main differences? Is it called HSSE or HSS-E? And what in turn is HSS-PM? Which is better: HSS or HSSE? Usually threading tools are made of High Speed Steel (HSS). The …
HSS vs. HSSE – What is HSS-E? What is HSS? Which is better? Read More »
A basic distinction is made between the soft machining and the hard machining of a tap. First of all, the blank is brought into its basic shape in the soft state by turning. Then the square is milled. Then the blank is hardened and tempered. The aim of the hardening process is to increase the …
The gate forms of taps play a very decisive role When cutting internal threads, all the cutting work is done by the teeth of the gate. The decision on the most suitable form of lead-in must therefore be made very carefully. This is because the gate influences not only the quality of the thread but …
Whitworth thread for pipe installations: The Whitworth thread named after the British engineer J. Whitworth (1803-1887), also known as British Standard Pipe (BSP) or British Standard Pipe Taper (BSPT), were originally thread forms for pipe fittings. They are still used for pipe installations in Europe today. They are therefore also known as pipe threads. In …
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The gunsmith and the muzzle thread You all know these film scenes: the hitman sits in his hotel room, opens his gun case and screws the silencer onto his long gun. He must have gone to the gunsmith beforehand, because he will have cut a suitable muzzle thread for it. How the story with the …
A list of the 13 most important types of threads you should know Today we would like to provide you with an overview of the most important types of threads that you should know. But first we would like to give you a short introduction to threads and explain important terms. What exactly is a …
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Solid carbide machine tap Solid carbide taps have become increasingly popular and important in recent years. The reason for this is that more and more machines are used in production. The threading tools must therefore be more durable and wear-resistant. What are solid carbide machine taps Solid carbide machine taps (solid carbide) are used when …
All-in-one vice for industry and hobby users When thread cutting in small workpieces, it is important that the workpiece can be clamped straight and firmly. For external threading, a vertical and horizontal device for clamping round bars must also be available. It would still be ideal if the vice could be used both on the …