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Wurth stainless steel A2, screws Assy Plus 4

Product code: vruty-wurth-nerezove

The screws for the terraces are made of stainless steel A2 and are color-matched to the appearance of the wood. They are ideal for outdoor terraces and facade construction

Availability: In stock
89.13 €  / package Price without VAT:
107.85 €  / package
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Detailed Description

Stainless steel A2 screws, Wurth Assy Plus 4

Nominal diameter: 5.5 mm
Lenght: 50 mm
Head type: Raised countersunk head
Head details: Milling pockets
Head diameter: 7.5 mm
Head height: 2.6 mm
Internal drive: BIT-RW20
Thread type: Wood screw thread
Thread design: Partial thread
Design: With shaft
Thread format: Single thread
Core diameter: 3.6 mm
Shape of tip: Drilling tip
Material: Stainless steel A2
Surface: Plain
Max. screw-in angle: 90 Degree
Suitable for use in the following materials: Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood
Area of application: Outdoors, Balcony, Element construction, Façades, Wet areas, Timber construction, Timber panel construction, Structural woodwork, Play equipment, Board walk, Terrace, Fence


Specification points

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.

Precise positioning and very clean drilling due to advanced centring drill tip

Positioning and drilling without chipping.
Maximum drilling performance and precise drilling process through drilling cutting edges (similar to Forstner bits).
Precise positioning on hard surfaces without slipping thanks to centring pin.
Quick screwing due to gentle start of thread

Easy countersinking in softwoods and hardwoods

Visually appealing connections due to lens-shaped, rounded head.
High milling power and chip collection for clean countersinking of the head in softwood/hardwood.
For universal use in wood and metal connections due to milling pockets integrated in the countersunk head.
Can be combined with 90° metal countersink.

Maximum reliability of the screw connection due to asymmetrical single thread

Optimal matching of drill tip and thread geometry.
Excellent anchoring in wood due to asymmetrical arrangement of thread flanks.

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


We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. Use the Würth timber construction software for dimensioning of ASSY screws from a diameter 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


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We will be happy to advise you on the choice suitable accessories.

We will show you our products before purchase in our warehouse. Wood is a natural material, each piece is a unique original. The supplied wood will be different from the displayed photos and samples.

Call us on +420 220 879 443

Payment options:

  • Cash or a card at the store
  • Cash on delivery (you pay when picking up the goods to the courier in the Czech area only )
  • By bank transfer (we will send the goods immediately after the amount has been credited to our account)