This M8 x 100mm roofing bolt is supplied with a matching square nut and has a bright zinc plated finish for basic resistance to moisture. It is typically chosen for fixing lightweight materials such as sheet metal, timber, and other thin or softer substrates where an even load distribution is important onsite.
The wide, flat head helps to reduce the risk of material damage by spreading the tightening force across a larger surface area. Commonly used on roofing installations, this bolt is also useful for assembling brackets, frames and fixtures where dismantling or adjustment may be required at a later stage.
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