In stock
In stock
Description
The partially threaded screw with large washer or washer head is the ideal choice for robust fastenings. It ensures a strong connection in dry indoor areas or damp environments where components need to be pulled together securely.
Contents:
10x partially threaded screw
10x lock washer
1x bit large
1x bit small
Perfect power transmission with the innovative RW drive
- More power: The larger contact surface on the bit gives you more power when working.
- More stability: Thanks to the plug-in effect and the perfect bit fit, you can work with one hand and apply the bit precisely.
- Fewer bit changes: work more efficiently with just one bit for different screw diameters.
- Compatibility: The screw is compatible with the existing AW drive, so you don't need any new tools.
Elegant screw connection for maximum strength
- High head pull-through values: The large head diameter ensures that the wooden components are pulled together strongly.
- Low effort: The special geometry and milling elements significantly reduce the effort required to screw in the screw.
Safe working and increased durability
- Minimal splitting effect: The end mill reduces the splitting effect and ensures smooth processing.
- Higher torque: The high breaking torque reduces the risk of screw breakage.
- Increased safety: Protruding metal chips are a thing of the past, as the end mill is integrated directly into the thread.
Maximum performance and safety with every step
- Optimized thread flanks: The coarse thread with asymmetrical geometry ensures greater power transmission, especially in hardwoods.
- Better anchoring: Higher thread flanks ensure improved strength and durability.
Smooth thread start-up for effortless work
- Reduced friction: The optimized thread start enables friction-free screwing in, which means less screwing-in force is required.
- Low splitting effect: The dome-shaped milling elements at the tip guarantee a smooth entry into the material.
High strength and ductility for demanding applications
- Coordinated heat treatment: This not only ensures exceptional strength values, but also high ductility of the screw.
Important instructions for use
- For precise planning and dimensioning of your installations, we recommend using the Würth software or other dimensioning aids.
- This screw is not suitable for directly weathered applications or rooms with a chlorine gas atmosphere. We recommend the use of ASSY 4 A2 WH or ASSY 4 A2 BP stainless steel screws in damp outdoor areas or in permanently damp rooms.
- Our ASSY 4, ASSYplus 4 and ASSYplus 4 VG chipboard screws are optimized for use in wood and wood-based materials.
- When using in plastic plugs, make sure you use screws without an optimized thread tip, such as ASSY D screws.
Approval according to ETA-11/0190
Make sure that you follow all the requirements of the European Technical Approval (ETA) to achieve the best results.
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Nominal diameter (d) 8 mm Length (l) 260 mm Thread length (lg) 100 mm Head shape Disk head Head diameter (dh) 22.1 mm Head height (k) 3.8 mm Internal drive RW40 Thread type Wood screw thread Thread design Partial thread End mill Yes Thread form Coarse thread Core diameter 5.3 mm Tip shape Tip with tip cutter Point angle 34 degrees Material Hardened steel Surface finish Galvanized Color silver Screw-in angle max. 90 degrees Screw-in angle min. 0 degrees Suitable for substrate Cross laminated timber (CLT), hardwood, LVL Field of application Structural timber construction, element construction, timber construction, timber panel construction, rafter purlin connection Additional accessories Bit fuse Approval ETA-11/0190 RoHS compliant Yes