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WÜTOX - flat washer head Zinc-plated steel, partial thread
Partial-thread screw with large, flat washer head for wood-to-wood fastening in timber construction work that must be tightly joined.
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TX drive
- No wobbling, optimal centring and a longer service life
Flat washer head, truncated
- Higher head pulling forces.
- Improved tightening of joints, even in warped wood
- Surfaces remain flat - components resting on the head fit flush with each other
- Optimised washer head diameter
- Truncated for better head countersinking
Coarse thread
- Faster screwing
Surface
- Zinc-plated, blue passivated
- Increased layer thickness from dia. 4.5 mm, min. 8 µm (A3K)
Screw tip
- Sharp tip with additional milling ribs
- Accurate and reliable positioning
Friction part
- The milling shank part, or friction part, gives additional space to the shank, reducing the required screw-in torque and ensuring faster and more energy-saving installation.
ETA approved - ETA 23/0361
- Verified, consistent quality, statically calculable
For wood-to-wood connections designed to pull together
The partial thread starting immediately below the shank allows for wood-to-wood connections designed to pull together. In this case, the thread is positioned entirely in the lower component.
For applications in utilisation class 1 and utilisation class 2 (from dia. > 4 mm)
- High-quality surface protection, zinc, blue passivated, chromium(VI)-free, 8 µm layer thickness
- Suitable for use in utilisation class 1 (indoor areas) and from dia. > 4 mm in utilisation class 2 (wet areas or covered outdoor areas) in accordance with EN 1995-1-1:2010-12 + DIN SPEC 1052-100:2013-08
- The requirement of classification T2/C2 is fulfilled in accordance with prEN 14592:2017 (D)
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