Harrison Silverdale Ltd Unit 1 Traso Business Park. Callywhite Lane. Dronfield, Sheffield, S18 2XR Tel: 01246 296 930 • Fax: 01246 296 940 Email: [email protected] Internet: http:/fwww.harrisonsilverdale.co.uk Expansion Inserts Part No. FV inserts are recommended for Wood and Composite applications. Their geometric shape and sharp pointed fins eliminate any danger of the substrate splitting on installation. Different materials may require slight modifications to the hole dimensions stated above and it is essential that the hole depth is sufficient to allow the screw to pass completely through the insert to achieve optimum performance. All information is given for guidance only and designers should satisfy themselves as to the suitability of the specification by requesting samples