Dies

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 Components, 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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Beskrivning Pris Thread Size Pitch Outside Diameter Thickness Material Left Hand Thread
RS-artikelnummer 215-681
VarumärkeRS PRO
47,31 kr
Each
Enheter
M3 0.5mm 13/16in - - -
RS-artikelnummer 508-9402
Tillv. art.nr70411
VarumärkeEVENTUS
54,97 kr
Each
Enheter
M3 0.5mm 25mm 9mm HSS -
RS-artikelnummer 668-0716
VarumärkeRS PRO
54,10 kr
Each
Enheter
M3 0.5mm 25mm 9mm HSS -
RS-artikelnummer 205-2306
VarumärkeRS PRO
846,75 kr
Each
Enheter
1/4 in BSPT - - - Steel -
RS-artikelnummer 215-669
VarumärkeRS PRO
41,98 kr
Each
Enheter
M2.5 0.45mm 13/16in - - -
RS-artikelnummer 509-0115
Tillv. art.nr04311
VarumärkeEXACT
124,41 kr
Each
Enheter
5/16-18 - 25mm 9mm HSS -
RS-artikelnummer 215-726
VarumärkeRS PRO
86,28 kr
Each
Enheter
M10 1.25mm 1in - HSS -
RS-artikelnummer 264-0032
VarumärkeRS PRO
183,21 kr
Each
Enheter
M16 1.5mm 42mm - - -
RS-artikelnummer 509-0121
Tillv. art.nr04314
VarumärkeEXACT
177,75 kr
Each
Enheter
1/2-13 - 38mm 14mm HSS -
RS-artikelnummer 215-805
VarumärkeRS PRO
61,05 kr
Each
Enheter
M6 0.75mm 13/16in - HSS -
RS-artikelnummer 509-0171
Tillv. art.nr04413
VarumärkeEXACT
139,07 kr
Each
Enheter
3/8-24 - 30mm 11mm HSS -
RS-artikelnummer 668-0725
VarumärkeRS PRO
54,10 kr
Each
Enheter
M4 0.7mm 25mm 9mm HSS -
RS-artikelnummer 668-0734
VarumärkeRS PRO
54,10 kr
Each
Enheter
M10 1.5mm 25mm 9mm HSS -
RS-artikelnummer 215-811
VarumärkeRS PRO
86,28 kr
Each
Enheter
M8 1mm 1in - HSS -
RS-artikelnummer 215-732
VarumärkeRS PRO
114,67 kr
Each
Enheter
M12 1mm 1.31in - HSS -
RS-artikelnummer 509-0193
Tillv. art.nr04411
VarumärkeEXACT
111,97 kr
Each
Enheter
1/4-28 - 20mm 7mm HSS -
RS-artikelnummer 215-647
VarumärkeRS PRO
47,31 kr
Each
Enheter
M5 0.8mm 13/16in - - -
RS-artikelnummer 386-947
Tillv. art.nr70412
VarumärkeEVENTUS
54,97 kr
Each
Enheter
M4 0.7mm 25mm 9mm HSS -
RS-artikelnummer 215-760
VarumärkeRS PRO
19,32 kr
Each
Enheter
M4 0.5mm 13/16in - HSS -
RS-artikelnummer 668-0747
VarumärkeRS PRO
54,10 kr
Each
Enheter
1/4-28 UNF - 25.4mm 9mm HSS -