High-performance anchor with countersunk head screw W-HAZ-SK/A4
High-performance anchor W-HAZ-SK/A4 sst
ANC-(W-HAZ/SK)-A4-20-M12X115
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- High load-bearing capacities
- Time-saving push-through installation
- Immediate load-bearing capacity – no waiting
- Torque-controlled expanding A4 stainless steel anchor
- Countersunk head design for an elegant appearance (e.g. 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
Approved for use in dry indoor areas and also outdoors (including industrial atmospheres and coastal areas) or in damp rooms, provided that no particularly aggressive conditions are present
Material | Stainless steel A4 |
Metric anchor diameter | M12 |
Anchor length (l) | 115 mm |
Max. attachment height (t fix) | 20 mm |
Countersink diameter | 29.5 mm |
Countersinking depth | 6.7 mm |
Internal drive | HS8 |
Nominal drill-bit diameter (d 0) | 18 mm |
Drill hole depth (h 1) | 105 mm |
Effective anchoring depth (h ef) | 80 mm |
Torque during anchoring (T inst) | 50 Nm |
Through-hole in the component to be connected (d f) | 20 mm |
Approval | ETA-02/0031 |
| Performance data | ||||||
| Anchor diameter [mm] | M8 | M10 | M12 | M16 | ||
| Admissible load when exposed to fire (R30, R60, R90, R120) see European Technical Approval ETA-02/0031 | ||||||
| Admissible centric tension load1) on an individual anchor without the influence of the edge distance | Tensile zone (cracked concrete C20/252), s ≥ 3 hef, c ≥ 1.5 hef) | Nadm [kN] = C20/252) | 4,3 | 7,6 | 12,3 | 17,1 |
| Compressive zone (uncracked concrete C20/252)) minimum spacing and edge distances (scr,sp ≥ 5 hef, ccr, sp ≥ 2.5 hef) | 7,6 | 11,9 | 16,7 | 24,0 | ||
| Admissible shear load1) on an individual anchor without the influence of the edge distance | Tensile zone (cracked concrete C20/252), c ≥ 10 hef) | Vadm [kN] = C20/252) | 12,6 | 19,4 | 24,5 | 34,3 |
| Compressive zone (uncracked concrete C20/252), c ≥ 10 hef) | 12,6 | 19,4 | 32,6 | 48,0 | ||
| Admissible bending moment | Madm [Nm] | 11,9 | 23,8 | 42,1 | 106,2 | |
| 1) The partial safety factors of the resistances regulated in the approval and a partial safety factor of the actions 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. | ||||||
| Characteristic values | ||||||
| Anchor diameter [mm] | M8 | M10 | M12 | M16 | ||
| Nominal drill diameter | d0 [mm] | 12 | 15 | 18 | 24 | |
| Diameter of cutting edges | dcut ≤ [mm] | 12,5 | 15,5 | 18,5 | 24,55 | |
| Drill hole depth | h1 ≥ [mm] | 80 | 95 | 105 | 130 | |
| Through hole in the component being connected | df ≤ [mm] | 14 | 17 | 20 | 26 | |
| Torque while installing anchor | W-HAZ-B/A4 | Tinst = [Nm] | 35 | 55 | 90 | 170 |
| W-HAZ-S/A4 | 30 | 50 | 80 | 170 | ||
| W-HAZ-SK/A4 | 17,5 | 42,5 | 50 | - | ||
| Minimum spacing | smin ≥ [mm] | 50 | 60 | 70 | 80 | |
| for c ≥ [mm] | 80 | 120 | 140 | 180 | ||
| Spacing | Scr,N [mm] | 180 | 213 | 240 | 300 | |
| Minimum edge distance | cmin ≥ [mm] | 50 | 60 | 70 | 80 | |
| for s ≥ [mm] | 80 | 120 | 160 | 200 | ||
| Edge distance | ccr,N [mm] | 90 | 106,5 | 120 | 150 | |
| Minimum member thickness | hmin [mm] | 120 | 140 | 160 | 200 | |
| Effective anchorage depth | hef [mm] | 60 | 71 | 80 | 100 | |
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