fischer fixing-systems main-catalogue Page 445
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Plasterboard fixing metal GKM · Cavity fixings Plasterboard fixing metal GKM The self-tapping metal fixing for gypsum plasterboard and gypsum fibreboard Wall lamps Speaker cabinets 7 Applications Advantages · · · · · Due to its material properties, the GKM can be used in gypsum plasterboard and gypsum fibreboard, and can be used with the most wide-ranging screws, hooks and eye screws. This allows for a broad range of applications. · The sharp, self-tapping thread enables a secure, positive fit fixing. This achieves a high load-bearing capacity. · The cross-drive recess means that a standard screwdriver or bit can be used. No special setting tool is required. · The short fixing length means that only a small amount of space is required behind the board. As a result, the GKM can also be used in the case of unknown board thickness and cavity depth. Building materials Functioning · Gypsum fibreboard · Gypsum plasterboard · The GKM is suitable for pre-positioned installation. · The self-tapping metal fixing GKM taps itself into the plasterboard with a positive fit. · Flush installation in the board building material. Overtightening the fixing should be avoided. Therefore, the installation torque should be limited when using a battery operated screwdriver. · Adapted for wood, self-tapping and chipboard screws of 4.0 to 5.0 mm diameter. · Pre-drill with a Ø 8 mm drill bit when using gypsum fibreboard and double-planked gypsum plasterboard. · Not suitable for tiled plasterboard. Pictures Lighting Electrical installations Fitting accessories 445
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