Quality Inspection for ASTM A325M 8S Heavy Hex Structural Bolts for Colombia Factory

ASTM A325M 8S Metric Size Heavy Hex Structural Bolts The bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using ASTM A325 Bolts, approved by the Research Council on Structural Connections, endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.   Dimension: ASME/ANSI B18.2.3.7M Thread Size: M12-M36 with various length Grade: ASTM A325M Type-1 Grade Marking: A325M 8S Finish: Black Oxide, Zinc Plating, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet   Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports Please feel free to contact us for more details.  

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    Hammersmith Bridge was built in 1887 and is one of the most loved and most photographed Thames crossings. It is a Grade II* listed structure.

    It has a very high traffic volume for its age, with more than 20,000 vehicles crossing it every day. It was never designed to carry this volume and weight of traffic and the constant vibration from those vehicles damages the bridge and road surface.

    It is now time for the bridge to have a full refurbishment. This will include strengthening work and a full resurfacing that will last for many years.

    Major repair works to the bridge are expected to start in late 2018.

    The bridge has 172 huge bolts, all of which will need inspecting and some may need replacing, as part of the refurbishment.

    There are only two bridges like this in the world, the other spans the Danube River in Budapest, Hungary.

    Because of this replacement parts and tools – such as the giant spanner being used here – often have to be custom made.