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Homemade Rebar Bender

Updated February 21, 2017

Rebar, or reinforcing bar for concrete, comes from the manufacturer in diameters from 3/8 inch to 1-1/4 inch and lengths up to 20 feet long. The large sizes are used in heavy construction, and most do-it-yourself projects call for shorter lengths of the small diameters. Some projects require lengths of rebar that have been bent into an L or at another angle. Rebar benders are available to rent for this task, but a simple homemade bender can save the expense for a few bends in small-diameter (3/8- and 1/2-inch) rebar.

Measure the rebar with a tape measure to locate the point of the required bend. Mark the point with a band of masking tape.

Slip the long end of the rebar into a 6-foot length of 3/4-inch steel pipe lying on the ground or floor. Slide a 4-foot length of 3/4-inch steel pipe over the short end and adjust the rebar so that the masking tape marking is at the gap between the two pipes.

Stand on the longer pipe, or have an assistant stand on it. Grasp the short pipe near its far end and lift, bending the rebar to the specified angle. Use a framing square or protractor to check angles where precision is critical.

Things You'll Need

  • Tape measure
  • Masking tape
  • 3/4-inch steel pipe, 6 feet long
  • 3/4-inch steel pipe, 4 feet long
  • Framing square or protractor (optional)
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About the Author

Kelvin O'Donahue has been writing since 1979, with work published in the "Arizona Geological Society Digest" and "Bulletin of the American Association of Petroleum Geologists," as well as online. O'Donahue holds a Master of Science in geology from the University of Arizona, and has worked in the oil industry since 1982.