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ASSY<SUP>®</SUP> 4 A2 PH fittings screw A2 stainless steel plain full thread pan head - SCR-PANHD-WO-A2-RW20-4,5X50/47 - 9
ASSY<SUP>®</SUP> 4 A2 PH fittings screw A2 stainless steel plain full thread pan head - SCR-PANHD-WO-A2-RW20-4,5X50/47 - 1
ASSY<SUP>®</SUP> 4 A2 PH fittings screw A2 stainless steel plain full thread pan head - SCR-PANHD-WO-A2-RW20-4,5X50/47 - 2

ASSY® 4 A2 PH fittings screw A2 stainless steel plain full thread pan head

ASSY 4 A2 PH stainless steel A2 FT pan head RW
SCR-PANHD-WO-A2-RW20-4,5X50/47
ASSY 4 A2 PH

Art.-no. 018774550
EAN 4061975616265
All versions

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Full-thread screw made of high-quality austenitic A2 stainless steel with visually appealing pan head for fixing thin metal sheets or metal profiles in wood in outdoor areas exposed to the elements

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


Flat fastening metal sheets for secondary purposes


  • Flat, cylindrical head rounded with a lens

  • Large surface contact area


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


  • Reduced splitting 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 fastening
Notice
  • 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. 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

ETA-11/0190 approved

The requirements of the European Technical Approval (ETA) must be observed

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.



Can be used for outdoor applications and utilisation class 3

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

  • For a load-bearing wood-metal connection, ASSY screws must be tightened to a specific torque value. Tightening torque = required prevailing torque x 1.2 < 90% of the breaking torque

Nominal diameter (d)

4.5 mm

Length (l)

50 mm

Head type

Pan head

Head diameter (dh)

9 mm

Head height (k)

3 mm

Internal drive

RW20

Thread type

Wood screw thread

Thread design

Full thread

Thread form

Single start thread

Thread length (lg)

47 mm

Core diameter

2.7 mm

Shape of tip

Tip with hilltop milling cutter

Angle of the tip

28 Degree

Material

Stainless steel A2

Surface

Plain

Max. screw-in angle

90 Degree

Min. screw-in angle

0 Degree

Product weight (per item)

4.000 g

Suitable for use in the following materials

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

Area of application

Façades, Terrace, Fence, Structural woodwork, Wet areas, Balcony, Board walk, Play equipment, Metal plate, wood, Outdoors

Approval

ETA-11/0190

RoHS-compliant

Yes

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

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

The perfect bit for the new generation of ASSY screws
x 10 pcs
RW<SUP>®</SUP> bit
RW® bit

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

The perfect bit for the new generation of ASSY screws
x 5 pcs
RW<SUP>®</SUP> bit
RW® bit

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

The perfect bit for the new generation of ASSY screws
x 5 pcs
The packaging unit defines the number of articles in one packaging. In the catalog segment you can choose from different packaging units if a pop-up menu is displayed.

Just leave the field empty if you don't know the packaging unit when directly entering the article number in the shopping basket or when importing with v
The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
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Example article number structures:
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:
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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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