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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Description Price Thread Size Pitch Outside Diameter Thickness Material Left Hand Thread
RS庫存編號 509-0193
製造零件編號04411
BrandEXACT
TWD436.00
單位
1/4-28 - 20mm 7mm HSS -
RS庫存編號 668-0740
BrandRS PRO
TWD482.00
單位
3/8-24 UNF - 25.4mm 9mm HSS -
RS庫存編號 509-0121
製造零件編號04314
BrandEXACT
TWD690.00
單位
1/2-13 - 38mm 14mm HSS -
RS庫存編號 509-0064
製造零件編號70416
BrandEVENTUS
TWD214.00
單位
M12 1.75mm 25mm 9mm HSS -
RS庫存編號 205-2306
BrandRS PRO
TWD2,632.00
單位
1/4 in BSPT - - - Steel -
RS庫存編號 215-811
BrandRS PRO
TWD427.00
單位
M8 1mm 1in - HSS -
RS庫存編號 509-0171
製造零件編號04413
BrandEXACT
TWD539.00
單位
3/8-24 - 30mm 11mm HSS -
RS庫存編號 668-0769
BrandRS PRO
TWD1,057.00
單位
M8 1.25mm 33.33mm 11.11mm HSS Yes
RS庫存編號 215-625
BrandRS PRO
TWD454.00
單位
M12 1.75mm 1-5/16in - - -
RS庫存編號 668-0716
BrandRS PRO
TWD479.00
單位
M3 0.5mm 25mm 9mm HSS -
RS庫存編號 509-0092
製造零件編號70413
BrandEVENTUS
TWD214.00
單位
M5 0.8mm 25mm 9mm HSS -
RS庫存編號 509-0115
製造零件編號04311
BrandEXACT
TWD483.00
單位
5/16-18 - 25mm 9mm HSS -
RS庫存編號 668-0722
BrandRS PRO
TWD549.00
單位
M6 1mm 25mm 9mm HSS -
RS庫存編號 668-0725
BrandRS PRO
TWD549.00
單位
M4 0.7mm 25mm 9mm HSS -
RS庫存編號 215-681
BrandRS PRO
TWD267.00
單位
M3 0.5mm 13/16in - - -
RS庫存編號 668-0728
BrandRS PRO
TWD543.00
單位
M5 0.8mm 25mm 9mm HSS -
RS庫存編號 215-647
BrandRS PRO
TWD477.00
單位
M5 0.8mm 13/16in - - -
RS庫存編號 668-0731
BrandRS PRO
TWD543.00
單位
M8 1.25mm 25mm 9mm HSS -
RS庫存編號 668-0738
BrandRS PRO
TWD475.00
單位
M12 1.75mm 25mm 9mm HSS -
RS庫存編號 215-697
BrandRS PRO
TWD416.00
單位
M4 0.7mm 13/16in - - -