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What is the difference between projection and parliament hinges?

April 26, 2017hinges Parliament projection

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What is the difference between projection and parliament hinges?

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A. The knuckle size is the difference between these two hinges. Projection hinges are usually square in shape, i.e. 5″x5″. Thus, when fitted you would have a 5″ length of knuckle projection from your door. In parliament hinges knuckle size is smaller and therefore a lot less unsightly. The only drawback in using parliament hinges over projection hinges is the strength reduction. This is caused by the smaller knuckle. Ensure that you use the correct size hinge for your door weight.