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ASSY® 3.0 joist hanger screw
With joist hanger screw head with mechanical interlock, particularly suitable for sheet preform wood connections in shopfitting, formwork construction, new builds and renovations.
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Variants
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Steel, zinc plated, partial thread, joist hanger screw head, AW recess
Connects the wood instead of splitting it
Reinforced head with enlarged support
High contact pressure
Cylindrical shank reinforcement to the outer diameter below the head
Mechanically interlocking connections for sheet preforms and high shear-off values
Asymmetrical coarse thread
Fast creation of screw connections and high pull-out values
Patented tip with counter thread
Reduced splitting, fast gripping and precise positioning
AW recess
Wobble-free and secure screw positioning
Material
High-strength steel for high breaking torque/zinc plated, blue passivated (A2K).
The screws are not suitable for outdoor use or for rooms subject to short-term or continuously high humidity levels! Please use ASSY 3.0 A2 stainless steel screws in these cases.
To attach metals to wood, machine a precise cut-out in the metal tab.
ASSY 3.0 chipboard screws are optimised for use in engineered wood. Use in plastic anchors may cause a reduction in the admissible load. Therefore, we recommend only using screws without optimised thread tips (drill tip, counter thread, ring thread, serrated edge, self-clearing groove etc.) in plastic anchors, e.g. Würth ASSY D, prefix number 0151 (countersunk head) and prefix number 0153 (pan head).
Available work documents:
Timber dimensioning software, load tables and detailed processing instructions can be found on the service page www.wuerth.de/assy.
ETA-11/0190
Specifications of European Technical Approval ETA-11/0190 and the sheet preform to be fitted must be observed.
Ideal for sheet preform connections that are to be disassembled again at a later point or for connections with high loads on thin wood cross-sections.
Comparable shear-off values and greater pull-out values compared to 4.0 mm ring-shank nails.
Permitted for sheet preforms with a thickness of 1.5 mm.
Direct attachment of sheet metal and sheet preforms to softwood, engineered wood materials made from softwood, cross-laminated timber, LV and hardwood. Pre-drilling optional in softwood. Hardwood must be pre-drilled according to ETA 11/0190.
Screw-in angle 0° to 90°.
Pre-drilling in solid wood and engineered wood materials made from softwood permitted but optional. Hardwood surfaces must be pre-drilled in accordance with ETA 11/0190 (softwood d = 3.0 mm; hardwood d = 3.5 mm).
Select RAL-colour code
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