Foundation Bolt Tolerance1. Bolt Diameter Tolerance(As per IS / ISO manufacturing practice)2. Bolt Length ToleranceBolt LengthToleranceUp to 500 mm±2 mm500 – 1500 mm±3 mmAbove 1500 mm±5 mm3. Thread ToleranceMetric Threads: 6g (external) as per ISO 965 / IS 4218UNC / UNF Threads: 2A classThread Length: ±2 mm4. Projection Above ConcreteBolt Diamete ... Continue