Sutton M4030805 MF8 x 1.0 Metric Fine Button Die 1" OD - Carbon Alloy Steel

The Sutton M403 is a carbon alloy steel button die for cutting a new male (external) metric fine thread on studs. It is a solid round die, 1" (25.4 mm) OD, in 5 sizes, MF8 to MF12, that fits into an adjustable guide or plain die stock handle.

Made from carbon alloy steel. Carbon alloy steel threading tools are not suitable for precision, safety or critical threads: they are for general purpose and DIY use only. The cutting teeth provide a general purpose thread. Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.

Where this product is used

• Cutting new male (external) threads on studs.
• General purpose and DIY threading where a precision thread is not required.
• Spark plug threads: MF10 x 1.0, MF12 x 1.25.
• Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.

Design features

• Carbon alloy steel: suitable for general purpose and DIY use only.
• Cutting teeth: provide a general purpose thread.
• Solid round die: fits into an adjustable guide or plain die stock handle.

Sizes and item numbers

Match the die OD (1") to your die holder or die stock.

Using the button die

• Use a guide or die stock that matches the 1" OD of the die.
• Chamfer the end of the stud or rod and start the die square, turning forward and backing off regularly to break the chip.
• Use a cutting fluid suited to the material being threaded.
• Use for general purpose and DIY threads only.

Key specifications

Related products

Related Sutton threading tools: M404 1-1/2" OD metric fine button die, M405 2" OD metric fine button die, M400 1" OD metric coarse button die, M401 1-1/2" OD metric coarse button die and M402 2" OD metric coarse button die. Browse threading dies and sets and threading tools.