Stainless steel rods are used in the installation of household construction and in the food and petrochemical industry. Creating a thread around the rod (known as a male thread) is carried out with a device known as a die. The die is made from a cross-section of metal with a hollow centre, with centre walls that have threads that cut into the perimeter of the rod. Different size dies are available to cut threads on different diameter rods.
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Things you need
- Pipe vice
- Stainless steel cutting oil
- Rag or brush
- Stainless steel die, 8 mm (5/16 inch)
- Die casing with handles
Secure the stainless steel rod in a pipe vice, with the end to be threaded within 30 cm (12 inches) of the vice jaws. Wrap a rag around the rod in the position where it will be secured in the vice to stop any potential scratching.
Smear cutting oil around the end of the rod as well as the die threads with either a rag or brush. Place an 8 mm (5/16 inch) stainless steel die into the die casing and tighten the casing's side screw with a screwdriver to secure the die in place (the die casing has a handle attached to each side).
Position the centre hole of the die perpendicular to the end of the stainless steel rod. Push firmly on the die casing handles and turn the die clockwise half a turn. Take special care starting the threading process, as stainless steel rods are more slippery than regular steel rods and a little harder to get the threading process started.
Turn the die counterclockwise slightly to remove shavings from the die threads. Make another clockwise half a turn with the die, before again turning it slightly counterclockwise. Continue this process until the rod nearly extends from the hollow centre of the die.
Remove the die from the rod by turning the die counterclockwise. Wipe off all shavings and cutting oil from both the rod and die with a rag.
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