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How to Bend Threaded Rod

Updated February 21, 2017

Metal rods can come in many types, such as stainless steel and iron. Rods that have threads can also be used as rebar when working with cement. These rods are typically manufactured to be straight. This means that if you need to shape a threaded rod, it will need to bent. You can bend a threaded rod by using tools that you have in your garage or workshop.

Place two ½-inch or ¾-inch bolts 1 inch apart in the bench vice. Tighten the bench vice by turning it counterclockwise to prevent the bolts from moving.

Place the threaded rod between the bolts in the vice. Determine where you need to have the bend in the rod.

Put on a pair of heavy-duty work gloves, and then use the striker to light the oxyacetylene or propane torch. Apply heat to the inside area of the rod until it begins to change colour. You want the rod to have a red colour to be able to bend it.

Grab onto the end of the rod and pull it until it begins to bend. Pull slowly on the rod to prevent it from developing cracks.

Apply more heat, as needed, to bend the rod to the angle that you need.

Tip

You want to use enough heat to bend the rod but not damage the metal. If you do not want to bend a threaded metal rod by hand, you can use a commercial bender.

Warning

Wear eye protection when using the oxyacetylene torch and bending the threaded rod.

Things You'll Need

  • Bench vice
  • ½ to ¾-inch diameter bolts.
  • Heavy-duty work gloves
  • Oxyacetylene or propane torch
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About the Author

Cameron Easey has over 15 years customer service experience, with eight of those years in the insurance industry. He has earned various designations from organizations like the Insurance Institute of America and LOMA. Easey earned his Bachelor of Arts degree in political science and history from Western Michigan University.