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A high-quality, reliable threading tool is essential for workshops and industrial businesses that require threads measured to an exact metric thread size, which will give the pitch of the thread in millimetres (mm). At RS, we have thread dies made from both standard steel and high-speed steel (HSS) available, meaning there is a choice of material to best suit your requirements. Our available products cover a range of metric sizes and pitches.

### What is a thread die and what are they used for?

Thread dies are special tools used in the manufacturing industry to create the threads on screws, bolts, nuts and other male fixing items. Over time, threads can become damaged and may need rethreading, which dies can also be used for. There are cavities to remove chips and debris as the thread is cut, however, it is recommended to use a chaser for cleaning debris from threads as dies will remove additional material each time they are used on a male thread. This will cause the locking of male and female portions to weaken.

In order to ensure proper alignment during threading, die stocks are often used to hold the die in place and ensure the threading is uniform. The diameter of a die stock can be adjusted slightly to allow for different sized round and hex dies and are tightened to fit the chosen die.

### What types of thread die are there?

The external shape of the thread die can be round, square, hexagon or tubular and can be further classified as solid, split or separable. Round dies are the most common and, depending on their size, have three or more serrated cutting edges and geometrically represent the nut thread. There are also left-hand thread dies for applications in which a right-hand thread would cause the male portion to loosen, such as the left-hand pedal on a bicycle.



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Dies | Threading Dies | HSS Dies | RS

Dies

EVENTUS 16-Piece HSS Thread Tap & Die Set M3 - M12 Dies

EVENTUS 42-Piece HSS Thread Tap & Die Set M3 - M12 Dies

EVENTUS 52-Piece HSS Thread Tap & Die Set M3 - M20 Dies

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EXACT Dies | RS

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Dies Steel | RS

Buy from our selection of dies from Rs pro. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

RS Pro Dies | RS Components

Buy from our selection of Dies from EVENTUS. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

EVENTUS Dies | RS

Please browse our range of Dormer Dies at RS, our aim is to give you the best offers with free next day delivery.

Dormer Dies | RS

<p>A reliable threading tool is indispensable for workshops and industrial businesses requiring precise metric thread sizes, and Dormer offers a diverse range of high-quality thread dies to meet these needs. Crafted from both standard steel and high-speed steel (HSS), Dormer's thread dies provide options for material selection, ensuring compatibility with specific requirements. The product line encompasses various metric sizes and pitches, making Dormer a go-to choice for reliable threading solutions.</p><h2>What distinguishes Dormer's thread dies and their applications?</h2><p>Dormer's thread dies stand out as specialised tools in the manufacturing industry, designed to efficiently create threads on screws, bolts, nuts, and other male fastening components. Dies like <a href="https://uk.rs-online.com/web/p/dies/2729336">272-9336</a> prove invaluable in scenarios where threads are damaged over time or require rethreading. While equipped with cavities to clear chips and debris during the cutting process, it is recommended to use a chaser for effectively cleaning thread debris. It's important to note that repeated use of dies on a male thread may remove excess material, potentially compromising the strength of the locking mechanism between male and female portions.</p><p>For seamless threading alignment, Dormer provides die stocks, ensuring uniform threading by securely holding the die in place. Die stocks come with an adjustable diameter, catering to different-sized round and hex dies, and can be tightened to fit the chosen die.</p><h3>What varieties of thread dies does Dormer offer?</h3><p>Dormer's thread dies come in various external shapes, including round, square, hexagon, or tubular, and are further classified as solid, split, or separable. The prevalent round dies feature three or more serrated cutting edges, reflecting the geometric representation of nut threads. They are available in a variety of lengths, thicknesses, and outside diameters. With Dormer's commitment to quality and variety, their thread dies are a trusted choice for threading applications in diverse industries.</p>

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