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 Heatstake Insert for Polycarbonate Part No. HL Heatcert Series provide a strong female threaded fixing in Polycarbonate and other "notch sensitive” brittle materials. These plastics often suffer from stress fractures as a consequence of the installation of screws or inserts with sharp profiles causing "hoop stress". The specialy designed knurl has no sharp edges which reduces the possibility of hoop stress providing resistance to high pullout loads and torque resistance.Material and Finish:- Brass Self Colour (Nickel plated is available as special order)To Specify Use: Series No / Part No (eg 20108 HL030H058) All information is given for guidance only and designers should satisfy themselves as to the suitability of the specification by requesting samples