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Barrier pins are used to connect precast concrete highway barriers together. .
In some states, high strength pins get driven through the base of precast concrete
barriers in order to pin them to the ground. Base pins are usually made from high
strength steel, hot-dipped galvanized with a semi cone point. Appropriate
specifications are stamped on the end per ASTM or AASHTO. Certification documents
are provided for all orders. Headed pins are also available. Dimensions vary by state.