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    TB25 fail-secure dropbolt with round strike hole

    The TB25 is a high quality, high security drop bolt for use on swing-through and double action doors, where an electric strike is impractical. Designed to be tamper proof and can’t be defeated by slipping a metal object between lock and strike plate. 1,000kg extreme strength holding force and bolt is deadlocked in the extended position for high security. Designed with thermal protection, eliminating the risk of fire in the event of the solenoid overheating.

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