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Graphical Construction Glossary >> Roofs and roofing. >> Roof Framing >> purlin bolts
Purpose made bolts specifically for the fixing of steel roof purlins. Made in quantities to feed a mass market they are consequently very cheap. The bolts are always coated with galvanic type protection and they can also be had with a hot dipped galvanised coating. They come in the two main sizes. 12mm (as in the photo) and in 16mm. Some of them come with a slightly serrated inner face to the washer surfaces. If you didn't find exactly what you are looking for try this search tool that will search the site and the web. "What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience? "When we build, let us think that we build for ever."John Ruskin 1819-1900 |
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Please Note! The information on this site is offered as a guide only! When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area. It could be out of date! Regulations breed faster than rabbits! You must check your own local conditions. Copyright © Bill Bradley 2007-2012. All rights reserved. 
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