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ASSY plus 4 A2 P CSMR60 wood façade screw, A2 stainless steel, plain, partial thread with underhead thread, countersunk head 60°
Special partial-thread screw with underhead thread with high tightening effect made of high-quality, austenitic A2 stainless steel with small countersunk head and milling ribs for flat, gap-free attachment close to edges, without predrilling, of wooden façades, skirting boards, fences etc. in outdoor areas constantly exposed to weathering
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RW recess ensures optimal power transmission
- Larger contact surface at the bit offers increased power
- More stability, one-handed working and precise positioning due to the tight-fit recess and perfect fit of the bit
- Fewer bit changes, one bit for multiple screw diameters
- Compatibility with previous AW recess
Easy countersinking in hardwood/softwood with lots of knots as well as in hard manufactured boards
- Small 60° countersunk head and therefore narrower geometry for use in seams or for tongue-and-groove connections
- Reduced splitting of component to be mounted when inserting the screw
- Very high milling performance due to milling ribs located in the countersunk head
Maximum reliability of the screw connection due to asymmetrical coarse thread
- Optimal combination of drill tip and thread geometry
- Excellent anchorage in wood due to asymmetrical arrangement of thread flanks
Precise positioning and very clean drilling due to advanced centring drill tip
- Chip-free positioning and drilling
- Powerful and precise drilling due to drilling cutting edges (similar to a Forstner bit)
- Centring pin ensures precise positioning on hard surfaces without slipping
- Quick screwing due to gentle thread start
Stainless for use in accessible wood connections in outdoor areas exposed to weathering
- Made of austenitic, non-magnetic and non-rusting A2 stainless steel
- Can be used in a rural or urban environment or in an industrial atmosphere without significant exposure to chlorides or SO2
- With anti-friction coating for easy screwing
- Austenitic stainless steel is characterised by a high degree of corrosion resistance against aggressive industrial air, sea air, tap water, river water, mine water and salt water, as well as woods containing tannic acid. It is resistant to acid to a certain extent and not suitable for atmospheres containing chlorine gas
- We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. Dimensions of the ASSY screws can be carried out in the Würth timber construction software from a ∅ of 5 mm
- ASSY 4, ASSYplus 4 and ASSYplus 4 FT chipboard screws are optimised for use in wood and wood materials. For applications in plastic anchors where load capacity can also be reduced, use only screws without an optimised thread tip (tip with milling ribs, drill tip, self-clearing groove etc.), such as the ASSY D screws with countersunk head or pan head
ETA-11/0190 approved
The requirements of the European Technical Approval (ETA) must be observed.
For fastening two timber elements without leaving a gap.
The underhead thread has a reduced thread pitch and enlarged external diameter, allowing two wooden elements to be connected without leaving a gap. The screw head can be made flush with the material surface.
- For optimum use of the screw, the right-size RW bit must be used
- Partial-thread screws are ideal for connecting wooden components. To achieve optimum assembly of the components, the components to be fixed must not be thicker than the length of the shank
- ASSY screws are approved for quasi-static loads
Select RAL-colour code
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