Jumbo Rebar is commonly used by the tower 
and sign structure industries as anchor rods for large structures. The diameter of the jumbo rebar is slightly over-sized than the normal #14 & #18 rebar so that the it can be milled down to account for the differences in diameter from the rebar deformations in order to create a uniformed surface so that the threads can be applied to accept 1-3/4″ & 2-1/4″ nuts.
Sizes: #14 J (1-3/4) & #18 J (2-1/4)
Specification: A615-Gr75 Finish: Plain or Galvanized
Yield Strength: 75 ksi Minimum Charpy Impact: 15ft -lbs at -20° F
Tensile Strength: 100,000 psi Elongations: 10% minimum in 8 inch
Jumbo Rebar #14 J and #18 J Dimensions
| Bar Size | Lbs/ft | Diameter (excluding deformations) | Diameter (including deformations) |
|---|---|---|---|
| #14 J | 9.48 | 1.717" (+/- 0.02) | 1.887" (+/-0.065) |
| #18 J | 14.6 | 2.214" (+/- 0.02) | 2.418" (+/-0.065) |
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