This security device is usually achieved by a dog inside the latch case which falls behind the bolt and keeps it shot out when an auxiliary slide is pushed in.Īnti-thrust plate An overlapping metal plate fitted to outward opening doors so as to prevent access to lock bolts. A B C D E F H J K L M N O P R S T W AĪnti-thrust bolt A spring bolt, for a night latch particularly, which cannot be pushed back when it has shot out and fastened a door, although it can be withdrawn by knob or key. Many of these terms are used on the training courses we run, so if you’re looking to change career and thinking of becoming a locksmith this guide of locksmith related terms is essential reading. To identify what type of door lock you have click here our guide covers the main types of locks used in the home. This glossary of locksmith terminology put together by the Master Locksmiths Association will help you with your security requirements. Learn different lock part names along with the components of a lock, find out what each part does.
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