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ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 1
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 2
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 3
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 4
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 5
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 6
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 7
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 8
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 9
ASSY<SUP>®</SUP> 4 Isotop roofing screw Steel zinc plated double thread cylinder head - SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60 - 10

ASSY® 4 Isotop roofing screw Steel zinc plated double thread cylinder head

ASSY 4 Isotop steel zinc plated PT cheese head RW
SCR-CYL-ISOTOP-WO-RW40-(A3K)-8X270/60
ASSY 4 ISOTOP

Art.-no. 0164518270
EAN 4061975608635
All versions

Prices for customers after login
ASSY® 4 Isotop roofing screw Steel zinc plated double thread cylinder head

Art.-no. 0164518270

Prices for customers after login
Quantity
PU
x 100 pcs

Exclusively for trade customers

Register now and access more than 125,000 products

Special double threaded screw ideal for fixing roof insulation and façade mountings with soft or pressure-resistant insulation materials 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


Unobtrusive mounting of wooden components


  • Small head diameter for unobtrusive mounting

  • Low splitting effect when countersinking the screw 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


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


Ideal for flexible loads such as insulation on rafters


  • Bridging non-load-bearing spaces
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 for screw applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas

  • 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

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

 | 

 | 

Application area

For wood-wood connections designed for anchoring


The double thread with internal shaft area enables a wood-wood connection designed for anchoring. This enables a non-load-bearing layer to be bridged. The larger outer diameter of the upper thread increases the head pull-through value.



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

  • For long screws arranged in a cross shape or in a screw block with narrow edge clearances, it is advisable to drill pilot holes or use a screw-in aid to avoid intersecting of the screws

Nominal diameter (d)

8 mm

Nominal diameter 2

10 mm

Thread length (lg)

60 mm

Head thread length

70 mm

Length (l)

270 mm

Head type

Socket head

Head diameter (dh)

11 mm

Head height (k)

9 mm

Internal drive

RW40

Thread type

Wood screw thread

Thread design

Double thread

Thread form

Double start thread

Core diameter

5.3 mm

Core diameter of head thread

6.3 mm

Angle of the tip

34 Degree

Shape of tip

Tip with hilltop milling cutter

Material

Unhardened steel

Surface

Zinc plated

Min./max. screw-in angle

0-90 Degree

Product weight (per item)

76.690 g

Suitable for use in the following materials

Wood
Derived timber product
LVL
Board ply wood (BSP)
Glulam (BSH)

Area of application

On rafter insulation
Façades

Additional accessory

Screw template for ASSY ® ISOTOP chipboard screw

Screw requiring approval

Yes

Approval

ETA-11/0190

RoHS-compliant

Yes

Required accessory:
 
Product
Description
Quantity
PU
Price
/PU
Screw-in angle 45/60 degrees
Screw-in angle 45/60 degrees

SCRINAID-SCR-ASSY-(60-45°)-200X120X30

ASSY
Easy-to-install screw-in angle for quick and precise angled fitting of long ASSY timber screws at an angle of 45 or 60 degrees
x 2 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 Easy-/VarioScan. The packaging unit will be determined automatically.
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)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

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:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076
Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units
The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).
Additional accessory:
 
Product
Description
Quantity
PU
Price
/PU
RW<SUP>®</SUP> bit
RW® bit

BIT-RW40-LUMINOUSPINK-1/4ZO-L50MM

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

BIT-RW40-LUMINOUSPINK-1/4ZO-L120MM

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

BIT-RW40-LUMINOUSPINK-1/4ZO-L25MM

The perfect bit for the new generation of ASSY screws
x 10 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 Easy-/VarioScan. The packaging unit will be determined automatically.
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)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

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:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076
Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units
The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).

Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

Würth Catalogue

Datasheets()

Datasheets ()

CAD data  | 

Certificates/ Documents

 | 

 | 

Technical information
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