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Thunderbolt Concrete Anchor Bolt; Countersunk Head (CSK); Zinc & Yellow Passivated (ZYP); T30; 6.0 x 50mm - Kawstore
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Masonry Ground Anchor Screw / Bolt Thunderbolt Galv Hex Head Multi Fix Concrete - Fasteners Warehouse
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8, M8 x 100 Genuine Thunderbolt® Masonry Concrete Anchor Screw with Hexagonal Head (V35157) : Amazon.co.uk: DIY & Tools
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