ASSY® 4 A2 CS universal screw assortment A2 stainless steel, plain, partial thread, countersunk head, 705 pieces in system case
ASSY 4 CS sst A2 TG RW cntersunk hd 705 pcs Sysko
SCR-SYSKO-CS-PRTTHR-RW-A2-705PCS
SYSTEMKOFFER
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Ideal power transmission thanks to RW drive
- More power due to larger contact area at the bit
- More stability, one-handed working, precise positioning due to the tight-fit recess and perfect fit of the bit
- Fewer bit changes, one bit for many screw diameters
- Compatibility with previous AW drive
Form-fitting connection to metal fittings or in wooden products with high bulk density
- For fitting connection with full-thread steel screws
- Perfect fit of 90° head in fitting parts with metal countersinks
- Pulls together without head milling due to lack of milling elements below the head
- The head is inserted by pressing
Higher breaking torque
- Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry of the single thread
- Better anchoring thanks to higher thread flanks
Smooth thread start ensures optimised recessing and biting of the screw
- Low gap effect due to displacement effect of the dome-shaped milling elements in the tip
- Friction-reduced thread rotation allows reduction of the screw-in force to be applied
Stainless mounting for accessible wood connections in outdoor areas exposed to weathering
- Made of austenitic, non-magnetic and non-rusting A2 stainless steel
- Can be used in rural or urban environments or industrial atmospheres without significant exposure to chlorides or SO2
- With friction-reducing slide 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. ASSY screws can be dimensioned 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
Datasheets(X)
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. The screw thread is positioned entirely in the lower component once screwed in.
Can be used for outdoor applications and utilisation class 3
- To increase the joining effect or head pull-through resistance, combining with perfectly fitting washers for ASSY 4 is recommended
- ASSY screws are approved for quasi-static loads
- 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
Thread type | Wood screw thread |
Thread design | Partial thread |
Thread form | Single start thread |
Drive type | RW |
Material | Stainless steel A2 |
Surface | 0 - not applicable |
Number of pieces in assortment/set | 705 PCS |
Area of application | Façades, Terrace, Fence, Structural woodwork, Element construction, Timber panel construction, Timber construction, Wet areas, Play equipment, Outdoors, Board walk, Balcony |
RoHS-compliant | Yes |
SCR-CS-WO-A2-RW20-4X40/24
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4X45/29
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4X50/34
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4X60/39
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4,5X50/33
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4,5X60/38
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4,5X70/43
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-4,5X80/48
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-5X50/32
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-5X60/42
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-5X70/42
ASSY 4 A2 CS
SCR-CS-WO-A2-RW20-5X80/52
ASSY 4 A2 CS
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VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
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Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)
Example 2: Screw with dimensions of 10x20 mm:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)
Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076
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