Page 429 - Wurth Total Catalogue

w-fa/s, w-fa/f fixing anchors
11.1

Performance Data
Anchor Diameter [mm] M8 M10 M12 M16 M20
Standard Anchoring/ h / h [mm] 44 35 48 42 65 50 82 64 100 78
Reduced Anchoring Depth ef ef,red

Perm. Centered Tensile Load 1) of a single anchor without edge influence Pressure Zone ef N perm. [kN] = C20/25 2) 5.7 5.0 7.6 6.5 12.6 8.5 17.8 12.3 24 16.5
(uncracked concrete
2)
C20/25 ,
s ≥ 3 h , c ≥ 1.5 h )
ef

Perm. Transverse Load 1) of a single anchor without edge influence Pressure Zone V perm. [kN] = C20/25 2) 6.3 5.0 8.0 6.5 14.3 8.5 23.6 23.6 37.1 33.1

(uncracked concrete
2)
C20/25 ,
c ≥ 10 h )
ef
Anchoring of light ceiling F [kN] ≥ C20/25
perm.
coverings and joist or B25 0.8 – 0.8 – – – – – – –
constructions as per DIN 18168
_
_
13.1 25.7
Permissible Bending Torque M perm. [Nm] 13.1/(9.8 ceiling) 25.7/(19.6 ceiling) 44.6 99.9 195
F30 [kN] 1.4 – 2.2 – 3.2 – 6.0 – 10.0 –
F60 [kN] 0.8 – 1.2 – 1.8 – 3.4 – 5.25 –
Fire Resistance Time
F90 [kN] 0.5 – 0.8 – 1.2 – 2.2 – 3.6 –
0.6/(0.8
F120 [kN] 0.4 – 0.6 0.9 – 1.7 – 2.75 –
ceiling) –
Characteristic Values
Setting Depth h nom /h nom,red [mm] 56 47 62 56 82 67 102 84 121 99
Nom. Drill Diameter d [mm] 8 10 12 16 20
0
Drill Cutting Diameter d cut ≤ [mm] 8.45 10.45 12.5 16.5 20.55
Drilled Hole Depth h /h 1,red ≥ [mm] 65 55 70 65 90 75 110 95 130 110
1
Through-hole in the d ≤ [mm]
component being connected f 9 12 14 18 22
Torque while installing anchor T inst = [Nm] 15 30 50 100 200

Individual Attachment: Uncracked concrete, option 7 (ETA-02/0001)
Minimum Axial Spacing s min [mm] 40 40 55 55 75 100 90 100 105 140
Axial Spacing s cr,N [mm] 132 105 144 126 195 150 246 192 300 234
Minimum Edge Spacing c min [mm] 45 45 65 65 90 100 105 100 125 140
Edge Spacing c cr,N [mm] 66 53 72 63 98 75 123 96 150 117
Minimum Component Thickness h min [mm] 100 80 100 100 130 100 170 130 200 160

Multiple Attachment: Anchoring of light ceiling coverings and joist constructions (Z-21.1-1598)
Minimum Axial Spacing s min [mm] 200 – 200 – – – – – – –
Minimum Edge Spacing c min [mm] 100 – 100 – – – – – – –
Minimum Component Thickness h min [mm] 150 – 200 – – – – – – –
Wurth System Components: 1 ) The approval takes account of the part-safety coefficients of the resistances and a part-safety coefficient of the effects of γ F = 1.4. For the
AUS. pub. 08/11 © 2) combination of tensile and transverse loads, for edge influence and anchor groups, please refer to the guideline for European Technical

Approval (ETAG) Appendix C.
The concrete has normal reinforcement. Higher values are possible for higher concrete strengths.

06 2042