An internally threaded hammer set expansion anchor for heavy duty anchoring into concrete. This standard version can be inserted below the surface. Also known as wedge anchors. All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire. "Thread Dia. mm: M12Length mm: 50Material: Carbon SteelFinish: ZincType: Not LippedDrill Hole Dia. mm: 16.0Fixture Hole Diameter mm: 14.0Min Drill Hole Depth mm: 50Min Thread Length mm: 20To Fit Anchor Size: N/A.
