safety bolt

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  • noun

Synonyms for safety bolt

a bolt that cannot be moved from outside the door or gate


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References in periodicals archive ?
Mr Corbett said: 'The potential for this new safety bolt is enormous.
During the spacewalk, the crew will move a cargo boom adapter from one module to another; install a safety bolt into a cable cutter on the Mobile Transporter truss rail car; and deploy SuitSat, an old Orlan space suit equipped with an active amateur radio transmitter.
The crew will install a safety bolt in the intact system during a Feb.
The tilting mechanism's protection by safety bolts is convenient at first sight, only that it presents some disadvantages.
The Owens River Gorge is called a sport-climbing area because of the profusion of safety bolts permanently drilled in the rock by its first climbers.