fischer Installation Systems Main Catalog Page 419
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Concrete screw UltraCut FBS II 8-14 Plugs and anchors ■ Loads Concrete screw Ultracut FBS II US hexagon head with integral washer and FBS II SK countersunk head Permissible loads of a single anchor1) in normal concrete of strength class C20/25. For the design the complete current assessment ETA-15/0352 has to be considered. Material/ surface Type FBS II 6 FBS II 8 FBS II 10 FBS II 12 FBS II 14 gvz Cracked concrete Non-cracked concrete Screw-in depth Minimum member thickness Installation torque Permissible tension (Nperm) and shear loads (Vperm); minimum spacing (smin) and edge distances (cmin) with reduced loads Permissible tension (Nperm) and shear loads (Vperm); minimum spacing (smin) and edge distances (cmin) with reduced loads hnom hmin Timp, max2) Nperm3) Vperm3) smin3) cmin3) Nperm3) Vperm3) smin3) [mm] [mm] [Nm] [kN] [kN] [mm] [mm] [kN] [kN] [mm] [mm] 40 80 450 1.2 4.3 35 35 3.8 4.3 35 35 cmin3) gvz 45 90 450 1.7 4.3 35 35 4.8 4.3 35 35 gvz 50 90 450 1.9 4.3 35 35 5.7 4.3 35 35 gvz 55 100 450 2.4 6.3 35 35 6.4 6.3 35 35 gvz / CP 50 100 600 2.9 4.1 35 35 5.9 5.9 35 35 gvz / CP 65 120 600 5.7 9.0 35 35 8.8 9.0 35 35 gvz / CP 55 100 650 4.3 4.6 40 40 6.6 6.6 40 40 gvz / CP 65 120 650 5.7 11.9 40 40 8.5 14.0 40 40 gvz / CP 85 140 650 9.2 16.6 40 40 13.1 16.6 40 40 gvz / CP 60 110 650 5.3 10.6 50 50 7.5 15.1 50 50 gvz / CP 75 130 650 7.6 15.2 50 50 10.9 15.2 50 50 gvz / CP 100 150 650 12.0 20.3 50 50 17.1 20.3 50 50 gvz / CP 65 120 650 5.8 11.6 60 60 8.3 16.6 60 60 gvz / CP 85 140 650 9.0 18.0 60 60 12.8 22.1 60 60 gvz / CP 115 180 650 14.7 29.4 60 60 21.0 29.4 60 60 11 1) Design according to EN 1992-4:2018 (for static resp. quasi-static loads). The partial safety factors for material resistance as regulated in the ETA as well as a partial safety factor for load actions of γL = 1.4 are considered. As a single anchor counts e.g. an anchor with a spacing s ≥ 3 x hef and an edge distance c ≥ 1.5 x hef. Accurate data see ETA. 2) Maximum allowable torque for installation with any tangential impact screw driver. Further technical data see ETA. 3) In the case of combinations of tension and shear loads, bending moments with reduced or minimum spacing and edge distances (anchor groups), the design must be carried out in accordance with the provisions of the complete ETA and the provisions of the EN 1992-4:2018. We recommend using our anchor design software C-FIX. Loads Concrete screw UltraCut FBS II US R hexagon head with integral washer and FBS II SK R countersunk head Permissible loads of a single anchor1) in normal concrete of strength class C20/25. For the design the complete current assessment ETA-17/0740 has to be considered. Material/ surface Type Cracked concrete Non-cracked concrete Screw-in depth Minimum member thickness Maximum installation torque Permissible tension (Nperm) and shear loads (Vperm); minimum spacing (smin) and edge distances (cmin) with reduced loads Permissible tension (Nperm) and shear loads (Vperm); minimum spacing (smin) and edge distances (cmin) with reduced loads hnom hmin Timp, max2) Nperm3) Vperm3) smin3) cmin3) Nperm3) Vperm3) smin3) cmin3) [mm] [mm] [Nm] [kN] [kN] [mm] [mm] [kN] [kN] [mm] [mm] FBS II 8 R 50 100 450 1.9 4.1 35 35 3.3 5.9 35 35 FBS II 8 R 65 120 450 4.3 6.1 35 35 6.7 8.8 35 35 FBS II 10 R 55 100 450 2.1 4.6 40 40 4.0 6.6 40 40 FBS II 10 R 65 120 450 2.9 6.0 40 40 6.7 8.5 40 40 FBS II 10 R 85 140 450 7.6 18.4 40 40 13.1 20.9 40 40 FBS II 12 R 60 110 650 2.1 5.3 50 50 4.8 7.5 50 50 FBS II 12 R 75 130 650 5.2 15.2 50 50 5.7 21.8 50 50 FBS II 12 R 100 150 650 12.0 23.9 50 50 17.1 26.2 50 50 1) Design according to EN 1992-4:2018 (for static resp. quasi-static loads). The partial safety factors for material resistance as regulated in the ETA as well as a partial safety factor for load actions of γL = 1.4 are considered. As a single anchor counts e.g. an anchor with a spacing s ≥ 3 x hef and an edge distance c ≥ 1.5 x hef. Accurate data see ETA. 2) Maximum allowable torque for installation with any tangential impact screw driver. Further technical data see ETA. 3) In the case of combinations of tension and shear loads, bending moments with reduced or minimum spacing and edge distances (anchor groups), the design must be carried out in accordance with the provisions of the complete ETA and the provisions of the EN 1992-4:2018. We recommend using our anchor design software C-FIX. 419
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