http://www.fischer.de/en/ - 21/05/2014

Window frame screw FFS

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The economical special screw for window installation

BUILDING MATERIALS

Concrete▪Vertically perforated brick▪Hollow block made from lightweightconcrete

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Perforated sand-lime brick▪Solid sand-lime brick▪Aerated concrete▪Solid block made from lightweightconcrete

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Solid brick▪

ADVANTAGES

No additional plugs are required forscrew installation, thus allowingwork to progress quickly andeconomically.

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The small drill bit diameter of 6 mmallows for efficient work, including inthe case of series installation.

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The continuous thread prevents thewindow frame from being pulledagainst the substrate, and ensures astress-free and long-lasting fixing ofthe frame.

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The optimised special threadreduces the amount of forcerequired for screwing in the screws,meaning that the installation processcan be completed without the use oftoo much force.

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APPLICATIONS

Window frames▪Door frames▪Squared timbers▪

FUNCTIONING

Note the drill hole and screw-indepths for the different buildingmaterials listed in the table.

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In order to avoid the screw twistingduring installation in concrete, themaximum anchorage depthsstipulated must be adhered to.

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Cylinder-head screws arerecommended for recessedinstallation in wooden profiles.

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Flat-head screws are recommendedfor installation in plastic andaluminium profiles.

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http://www.fischer.de/en/ - 21/05/2014

Window frame screw FFS

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TECHNICAL DATA

Window frame screw FFS

Drill hole diameter Screw length Headdo ls

Article name Art.-No. [mm] [mm] [Ø mm]FFS 7,5 x 42 062379 6 42 11,5FFS 7,5 x 52 062395 6 52 11,5FFS 7,5 x 62 062396 6 62 11,5FFS 7,5 x 72 061550 6 72 11,5FFS 7,5 x 82 068955 6 82 11,5FFS 7,5 x 92 061551 6 92 11,5FFS 7,5 x 102 068956 6 102 11,5FFS 7,5 x 112 061552 6 112 11,5FFS 7,5 x 122 068957 6 122 11,5FFS 7,5 x 132 061553 6 132 11,5FFS 7,5 x 152 061554 6 152 11,5FFS 7,5 x 182 061555 6 182 11,5FFS 7,5 x 202 068958 6 202 11,5FFS 7,5 x 212 061556 6 212 11,5

250

TECHNICAL DATA

Frame fi xing screw FFS - with fl at head

Drill hole diameter Screw length Drive Head Sales unit

do ls Item Art.-No. [mm] [mm] [Ø mm] [pcs]

FFS 7,5 x 102 068956 6 102 T30 11,5 100FFS 7,5 x 112 061552 6 112 T30 11,5 100FFS 7,5 x 122 068957 6 122 T30 11,5 100FFS 7,5 x 132 061553 6 132 T30 11,5 100FFS 7,5 x 152 061554 6 152 T30 11,5 100FFS 7,5 x 182 061555 6 182 T30 11,5 100FFS 7,5 x 202 068958 6 202 T30 11,5 100FFS 7,5 x 212 061556 6 212 T30 11,5 100

ACCESSORIES

Cover cap FFS A

Cap Cap height Fits Sales unit

Item Art.-No. [Ø mm] [mm] [pcs]

FFS A-BR dark brown 061561 15 4 FFS-countersunk head 100FFS A-W white 061560 15 4 FFS-countersunk head 100

Frame fi xing screw FFSZ and FFSHighest recommended loads1) for a single anchor for multiple use for non-structural applications in concrete C20/25.

1) Required safety factors are considered.

LOADS

Cracked or Non-cracked concreteType Eff ective

anchorage depthRecommended

tensile loadRecommended

shear loadMin. spacing Min. edge distance

hef Nrec Vrec smin cmin

[mm] [kN] [kN] [mm] [mm]

FFS 7,5 20 0,9 0,4 60 30FFSZ 7,5 20 0,9 0,4 60 30FFS 7,5 40 1,9 0,6 120 30FFSZ 7,5 40 1,9 0,6 120 30

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Window frame screws FFSZ and FFS

http://www.fischer.de/en/ - 21/05/2014

Window frame screw FFS

Fram

e f

ixin

gs

/ S

tan

d-o

ff in

stal

lati

on

3