ASTM A394 is a standard material specification covering chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmosphericcorrosion-resistant bolts, in nominal thread diameters of 1⁄2, 5⁄8, 3⁄4, 7⁄8 and 1 in. for use in the construction of. GCF manufactures an entire line of special fully engineered Communication Tower Products. We have the following types of communication tower products available: GCF. ASTM A394-08 (2024): Standard Specification For Steel Transmission Tower Bolts, Zinc-Coated And Bare provides specifications for tower bolts that are manufactured for use in the “steel to steel” connections of power transmission towers, substations, and other similar structures. They are available in hex head or square head design. Engineered for the tower industry, our broad product range includes the NexGen2™ Blind Bolt Assembly, U-Bolts, J-Bolts, Step Bolt Adapters and Structural Bolts.
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