Bolt Size TPI Tension MIN Tension MAX Tightening Torque Range (ft lbs) (Min‑Max) Galv... 1/2" 13 12,000 14,000 50 ‑ 58 5/8" 11 19,000 23,000 99 ‑ 120 3/4" 10 28,000 34,000 175 ‑ 213
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