NSC Archives

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Bolts and fasteners

Structural bolts are one of the key elements of a steel frame and there are two types of bolted assemblies generally used in the UK and Ireland.

An introduction to preloaded bolting

NSC reports on bolted connections, and the regulations, standards and current practice for preloaded bolting. Bolted connections in structural steel can be …

New Generation Direct Tension Indicators

Direct tension indicators (DTI’s) are a device that can be used to correctly preload High Strength Friction Grip Bolts. FRICTION GRIP BOLTING Batho and …


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