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This 1-1/4″ × 1-1/4″ galvanized square steel tube provides internal reinforcement for compatible Alumission aluminum fence and gate posts. Its 1/8″ wall and galvanized finish make it suitable for concrete-set installations, core-drilled mounting, and post extensions. Set the steel tube directly in concrete or install it in a 2″ core-drilled hole with compatible anchoring cement, then sleeve the aluminum post over it. Secure the aluminum to the inner steel tube using suitable #12 self-drilling screws. It may also connect two compatible aluminum post sections for extended frames, including sliding gates longer than 10′.
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🇺🇸 Ship from USA · On Agora since 2026
$36.93