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ASSY® 4 FBS CUT RCS window construction screw Steel zinc plated full thread raised countersunk head

ASSY 4 FBS CUT RCS steel zp FT cs milling head RW
SCR-RCS-WO-CUT-RW20-(A3K)-4X45/37
ASSY 4 FBS CUT RCS

Art.-no. 0190514045
EAN 4061975613417

Price for selected packaging unit
ASSY® 4 FBS CUT RCS window construction screw Steel zinc plated full thread raised countersunk head

Art.-no. 0190514045

Price for selected packaging unit
Quantity
PU
x 500 pcs

Exclusively for trade customers

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Special full-thread screw with raised countersunk head and restraining ribs for gentle attachment of window fittings in hardwoods in indoor dry or sheltered areas

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


Visually appealing connections in window construction


  • Lens-shaped, rounded head for a visually appealing window fitting connection

  • The torque-absorbing effect of the restraining ribs prevents the screw from overturning and destroying the head


No over-tightening or stripping and high feed


  • Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry of the coarse thread

  • Better anchoring thanks to higher thread flanks


Easy recessing and quick biting of the screw in hardwoods


  • Allows quick set-up thanks to the slim tip

  • Semi-circular and sharp-edged milling element facilitates fibre separation in hardwoods
Notice
  • 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

  • Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. If used outdoors and in rooms that are constantly exposed to high humidity, please use ASSY 4 A2 or A4 stainless steel screws and, if atmosphere contains chlorine, HCR stainless steel screws

  • 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
Product information

Datasheets(X)

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Application area

For steel-wood connections designed for tensile forces


The full thread starting immediately below the head allows for e.g. fitting-wood or sheet material-wood connections designed for tensile forces with high load-bearing capacity. Greater screw pull-out force is achieved by the maximum thread length.



For applications in utilisation class 1 and utilisation class 2 (from ∅ > 4 mm)


  • High-quality surface protection, zinc, blue-passivated chromium(VI)-free 8 µm layer thickness

  • Suitable for use in utilisation class 1 (interior) and from a ∅ > 4 mm in utilisation class 2 (covered outdoor area) according to 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)
Instructions
  • ASSY screws are approved for quasi-static loads

  • For optimum use of the screw, the right-size RW bit must be used

  • Full-thread screws are suitable for secure mounting of fittings or thin materials. The screw length to be selected should be less than the plate thickness of substrate the screw is to be driven in

Material

Hardened steel

Surface

Zinc plated

RoHS-compliant

Yes

Nominal diameter (d)

4 mm

Length (l)

45 mm

Head diameter (dh)

7.2 mm

Head height (k)

2.5 mm

Internal drive

RW20

Thread length (lg)

37 mm

Head type

Raised countersunk head

Head details

Restraining ribs

Thread type

Wood screw thread

Thread design

Full thread

Thread form

Single start thread

Core diameter

2.5 mm

Shape of tip

Tip with a scraper groove

Angle of the tip

20 Degree

Colour

Silver

Product weight (per item)

2.381 g

Min. screw-in angle

0 Degree

Max. screw-in angle

90 Degree

Suitable for use in the following materials

Wood
Derived timber product
Softwood
Board ply wood (BSP)
Hardwood
LVL

Area of application

Windows
Fitting
Furniture

Suitable machines

Würth BS 12-A Power
Würth BS 14-A Combi

Approval

ETA-11/0190

Declaration of performance (EU-CPR)

Yes

Additional accessory:
 
Product
Description
Quantity
PU
Price
/PU
RW® bit

BIT-RW20-LUMINOUSORANGE-1/4ZO-L25MM

The perfect bit for the new generation of ASSY screws
RW® bit

BIT-RW20-LUMINOUSORANGE-1/4ZO-L50MM

The perfect bit for the new generation of ASSY screws
x 5 pcs
RW® bit

BIT-RW20-LUMINOUSORANGE-1/4ZO-L120MM

The perfect bit for the new generation of ASSY screws
x 5 pcs
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Product information

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Datasheets ()

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Technical information