Rothoblaas - Wood screws and connectors Page 26
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HBS AC233 ESR-4645 BIT INCLUDED COUNTERSUNK SCREW SUPERIOR STRENGTH Steel with superb yield and failure strength (fy,k = 1000 N/mm2). Very high torsional strength ftor,k for safer screwing. STRUCTURAL APPLICATIONS Approved for structural applications subject to stresses in any direction vs. the grain (α = 0° - 90°). Asymmetric “umbrella” threading for better timber pull-through. DUCTILITY The bending angle is 20° greater than standard, certified according to ETA-11/0030. Cyclical SEISMIC-REV tests according to EN 12512. Seismic performance tested according to EN 14592. CHROMIUM (VI) FREE Total absence of hexavalent chromium. Compliance with the strictest regulations governing chemical substances (SVHC). REACH information available. CHARACTERISTICS FOCUS extremely complete range HEAD countersunk with under-head ribs DIAMETER from 3,5 to 12,0 mm LENGTH from 30 to 600 mm MATERIAL Galvanized carbon steel. FIELDS OF USE • timber based panels • solid timber • glulam (Glued Laminated Timber) • CLT, LVL • high density woods Service classes 1 and 2. 26 | HBS | CARPENTRY ETA-11/0030
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