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Transmission line Tower construction Fasteners material: Steel Galvanized，304SS stainless steel. Type mainly including： HEAVY HEX BOLT, STRUCTURAL BOLT ASTM, STUDS, WELDED EYE BOLTS, U-BOLTS, HEX LAG BOLTS, HEX HEAD BOLTS, SQUARE HEAD BOLTS, LINER BOLTS, SQUARE LAG BOLTS, J-BOLTS, HOOK ANCHOR, GUARD RAIL BOLTS, FORGED WASHER HEAD BOLTS, ECONO TIMBER BOLT, DRIFT PINS, COUNTERSUNK BOLTS, CARRIAGE BOLTS,
