fischer screws maincatalogue Page 146
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Screw catalogue 2020 Load tables Full thread screw Power-Full cylinder head. Screw diameter 6,5 mm. Dimensions Permissible tension load Fax [kN] for: Nominal screw diameter: d = 6.5 mm Characteristic tension load Fax, α, Rk [kN] for: Nominal screw diameter: d = 6.5 mm ftens,k = Characteristic screw tensile load capacity: Wood quality: Characteristic timber gross density: Number of screws per connection: Thread extraction parameter: ρk = n= fax,k = 17.0 C24 350 1 11.4 kN [-] kg/m³ unit N/mm² ftens,k = Characteristic screw tensile load capacity: Wood quality: Characteristic timber gross density: Number of screws per connection: Usage class: Class of load duration: Modification factor: Partial safety factor for resistance: Partial safety factor for action: Thread extraction parameter: ρk = n= NKL: KLED: kmod = γM = γF = fax,k = 17.0 C24 350 1 2 short 0.9 1.3 1.4 11.4 kN [-] kg/m³ unit [-] [-] [-] [-] [-] N/mm² zul. Fax Fax,k α α lef lef 12 Screw-in angle α [ ° ] to the grain of the wood Screw-in angle α [ ° ] to the grain of the wood lef lef [mm] 90 to 45 40 35 30 25 20 16 [mm] 90 to 45 40 35 30 25 20 16 26 1,93 1,78 1,63 1,48 1,33 1,18 1,06 26 0,95 0,88 0,80 0,73 0,66 0,58 0,52 30 2,22 2,05 1,88 1,70 1,53 1,36 1,22 30 1,10 1,01 0,93 0,84 0,76 0,67 0,60 35 2,59 2,39 2,19 1,99 1,79 1,58 1,42 35 1,28 1,18 1,08 0,98 0,88 0,78 0,70 40 2,96 2,73 2,50 2,27 2,04 1,81 1,63 40 1,47 1,35 1,24 1,12 1,01 0,90 0,80 45 3,33 3,08 2,82 2,56 2,30 2,04 1,83 45 1,65 1,52 1,39 1,26 1,14 1,01 0,91 50 3,71 3,42 3,13 2,84 2,55 2,26 2,03 50 1,83 1,69 1,55 1,40 1,26 1,12 1,01 55 4,08 3,76 3,44 3,12 2,81 2,49 2,24 55 2,02 1,86 1,70 1,55 1,39 1,23 1,11 60 4,45 4,10 3,75 3,41 3,06 2,72 2,44 60 2,20 2,03 1,86 1,69 1,51 1,34 1,21 65 4,82 4,44 4,07 3,69 3,32 2,94 2,64 65 2,38 2,20 2,01 1,83 1,64 1,46 1,31 70 5,19 4,78 4,38 3,98 3,57 3,17 2,85 70 2,57 2,37 2,17 1,97 1,77 1,57 1,41 75 5,56 5,13 4,69 4,26 3,83 3,40 3,05 75 2,75 2,53 2,32 2,11 1,89 1,68 1,51 80 5,93 5,47 5,01 4,54 4,08 3,62 3,25 80 2,93 2,70 2,48 2,25 2,02 1,79 1,61 85 6,30 5,81 5,32 4,83 4,34 3,85 3,46 85 3,11 2,87 2,63 2,39 2,15 1,90 1,71 90 6,67 6,15 5,63 5,11 4,59 4,08 3,66 90 3,30 3,04 2,78 2,53 2,27 2,02 1,81 95 7,04 6,49 5,94 5,40 4,85 4,30 3,86 95 3,48 3,21 2,94 2,67 2,40 2,13 1,91 100 7,41 6,83 6,26 5,68 5,10 4,53 4,07 100 3,66 3,38 3,09 2,81 2,52 2,24 2,01 Max. screw length: l = 195 mm; Head height hh = 5,5 mm; Peak length lt = 4,0 mm; max. eff. thread length lef = 185,5 mm. Available screw lengths: 120, 140, 160, 195 mm. Edge and axle distances according to ETA-12/0073 or DIN EN 1995-1-1 + NA. ETA-12/0073 and DIN EN 1995-1-1 shall be observed in their entirety. The loads in timbers with other strengths are obtained by the conversion factor: The indicated loads are only valid for single screws. The effective number of bolts with more than one bolt per connection is determined by the formula: nef = n0,9 according to DIN EN 1995-1-1, Section 8.7.2 forula (8.41). All mechanical values given are to be considered in relation to the assumptions made and are design examples. Attention: This is only a planning aid. Projects are to be dimensioned exclusively by structural engineers or structural engineers! All values are subject to typesetting and printing errors. 146
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