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Product Description
The screw-in type undercut bolt is mainly used for dry-hanging exterior wall panels. It is generally anchored to the panel by mechanical locking and connected to the concrete structure using aluminum alloy hangers. This bolt is commonly used for thin panels such as tiles and vitrified bricks, and is available in two materials: A2 (304) and A4 (316) stainless steel.
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Specifications
Type Anchoring depth Drilling diameter Expansion diameter Minimum plate thickness M6*5 5.2 ± 0.2 7.3 ± 0.3 9.5 ± 0.3 10 M6*7 7.2 ± 0.2 12 M6*9 9.2 ± 0.2 16 M6*12 12.3 ± 0.3 20 M6*15 15.3 ± 0.3 25 M8*15 15.3 ± 0.3 9.3 ± 0.3 11.5 ± 0.3 25 M8*18 18.3 ± 0.3 30
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