Plasplugs® Thermal Block Fixings cut their own thread in the thermal block to give a superior grip within the 'crumbly' material. For use in: lightweight block, aircrete blockwork, aerated blocks, Thermalite and Celcon. The pack contains an 8mm drill bit and driver. Recommended Screw Size: No.10 Pack of 40 Plasplugs® SSCP558 Thermal Block Fixings https://elecena.pl/product/27208450/plasplugs-sscp558cc-thermal-block-fixings-40 2024-11-10 https://elecena.pl/product/27208450/plasplugs-sscp558cc-thermal-block-fixings-40 2025-03-21