High-performance anchor with countersunk screw
High-performance anchor W-HAZ steel zp type SK
ANC-(W-HAZ/SK)-(A2K)-50-M8X120
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- High load-bearing capacities
- Time-saving push-through installation
- Immediate load-bearing capacity — no waiting
- Torque-controlled expanding galvanised steel anchor
- Countersunk head design for an elegant appearance (e.g. for railings)
- ETA-02/0031 for individual attachment, option 1, cracked and non-cracked concrete, seismic performance category C1 and C2
- Fire resistance: F30, F60, F90 and F120; exposure to fire according to DIN 1363-1:1999-10 (uniform temperature-time curve)
- Fire resistance: R30, R60, R90 and R120; TR020 (included in ETA-02/0031)
Railings
Handrails
Create the drill hole
Clean the drill hole
Datasheets(X)
CAD data (available after login)
Individual attachment with approval
Normal concrete C20/25 to C50/60 (cracked and non-cracked concrete, seismic performance category C1 and C2 for sizes M8–M12)
e.g. metal structures, metal profiles, brackets, base plates, supports, cable conduits, pipes, railings, machines etc.
Individual attachment without approval
Can be used in concrete < C20/25 and compression-proof natural stone
W-HAZ/S approved only for use in dry indoor room conditions
Material | Steel |
Surface | Zinc plated |
Metric anchor diameter | M8 |
Anchor length (l) | 120 mm |
Max. attachment height (t fix) | 50 mm |
Countersink diameter | 20.5 mm |
Countersinking depth | 5.0 mm |
Drive type | Hexagon socket |
Internal drive | HS5 |
Nominal drill-bit diameter (d 0) | 12 mm |
Drill hole depth (h 1) | 80 mm |
Effective anchoring depth (h ef) | 60 mm |
Torque during anchoring (T inst) | 25 Nm |
Through-hole in the component to be connected (d f) | 14 mm |
Approval | ETA-02/0031 |
| F90 [kN] | 0,55 | 0,95 | 1,75 | 2,5 | 4,25 | - | - | ||
| Madm [Nm] | 6,9 | 17,1 | 34,3 | 60 | 152 | 152 | 296,6 | ||
| F120 [kN] | 0,4 | 0,75 | 1,2 | 1,7 | 3,0 | - | - | ||
| 1) The partial safety factors of the resistances regulated in the approval and a partial safety factor of the effects of γF = 1.4 have been taken into account. For information on combining tensile and shear loads and the influence of the edge distance and anchor groups, please refer to the European Technical Approval Guidelines (ETAG), Appendix C. 2) The concrete has normal reinforcement. Higher values are possible for higher concrete compressive strengths. 3) For Würth W-HAZ-SK/S. | |||||||||
| Nominal drill diameter | d0 [mm] | 10 | 12 | 15 | 18 | 24 | 24 | 28 |
| Diameter of cutting edges | dcut ≤ [mm] | 10,45 | 12,5 | 15,5 | 18,5 | 24,55 | 24,55 | 28,55 |
| Drill hole depth | h1 ≥ [mm] | 65 | 80 | 95 | 105 | 130 | 145 | 160 |
| Through hole in the component being connected | df ≥ [mm] | 12 | 14 | 17 | 20 | 26 | 26 | 31 |
| Torque while installing anchor | Tinst = [Nm] | 15/103) | 30/253) | 50/553) | 80/703) | 160 | 160 | 280 |
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