Sutton M5662858 1-1/8"-8 8-UN Button Die 2-1/2" OD - High Speed Steel (HSS)

The Sutton M566 is a high speed steel (HSS) button die for cutting a new male (external) 8-UN (Unified National, 8 TPI) thread on studs. It is a solid round die, 2-1/2" (63.5 mm) OD, in 4 sizes, 1-1/8" to 1-1/2", that fits into an adjustable guide or plain die stock handle.

Made from high speed steel for longer tool life. Suitable for cleaning existing threads in tough applications. Designed to produce more accurate threads than carbon dies. The cutting teeth are designed to provide a precise thread. Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.

Where this product is used

• Cutting new male (external) 8-UN threads on studs.
• Cleaning existing threads in tough applications.
• Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.

Design features

• High speed steel: for longer tool life.
• Cutting teeth: designed to provide a precise thread.
• Solid round die: fits into an adjustable guide or plain die stock handle.
• Suitable for cleaning existing threads in tough applications.

Sizes and item numbers

Match the die OD (2-1/2") to your die holder or die stock.

Using the button die

• Use a guide or die stock that matches the 2-1/2" 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.

Key specifications

Related products

Related Sutton threading tools: M567 8-UN 3" OD button die, M568 12-UN 3" OD button die, M569 BSPF 1" OD button die, M570 BSPF 2" OD button die, M571 BSPF 3" OD button die and M572 BSPT 3" OD button die. Browse threading dies and sets and threading tools.