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Nails and Screws
Structural Screws
SDWS

Structural Wood Screw for outdoor use

The Strong-Drive® SDWS screw is a high-strength structural wood screw for outdoor use (double barrier coating) specifically designed for fastening multi-ply wood members together.

Technical Data Sheet
CE Marking
Service class 3
Revêtement double barrière
Outdoor
Solid Wood
SDWS Main Image.jpg

Product Details

Images

SDWS Installation Image.jpg
sdws-ledger-inst-2.jpg
Stud wall assembly
sdw-coral-wafer-flat-2.jpg
Railing fastening

Features

Material

  • Tempered steel with double effect coating

Benefits

  • No pre-drill needed
  • Same capacities from head or thread
  • easier installation with the flat head
  • High shear capacity
  • Tightening of the two timber part thanks to the partial thread and large head
  • Optimized threaded length for maximum screw penetration
  • Dimensions engraved on head for an easier identification even after installation
  • Alésoir permet d'éviter la chauffe de la vis lors de l'installation.
  • Revêtement double barrière permettant une utilisation en extérieur

Application

Suitable On

  • solid wood, composite lumber, glued-laminated wood.

Scope

  • Fastening timber elements

Technical Data

Dimensions

F_SDWS_ProdIll_Ill_Prod_EU_EU_CY.jpg

Product dimensions for screws

sdws-installation-image.jpg
References Fastener dimensions [mm]
d l dh d1 lg Bit
SDWS22300DB-R5087519.45.237T-40
SDWS22400DB-R5010019.45.259T-40
SDWS22500DB-R5012619.45.269T-40
SDWS22600DB-R5015119.45.269T-40
SDWS22800DB-R5020219.45.269T-40
SDWS221000DB-R5025219.45.269T-40

Product characteristic properties for screws

References Characteristic Yield Moment – My,k [My.k] [Nm] Characteristic withdrawal parameter - fax,k,90° [fax.k.90°] [N/mm²] Characteristic head pull-through parameter - fhead,k [fhead.k] [N/mm²] Characteristic tensile capacity - ftens,k [ftens.k] [kN] Characteristic torsional strength - ftor,k [ftor.k] [Nm]
SDWS22300DB-R5017.413.221.421.424.2
SDWS22400DB-R5017.413.221.421.424.2
SDWS22500DB-R5017.413.221.421.424.2
SDWS22600DB-R5017.413.221.421.424.2
SDWS22800DB-R5017.413.221.421.424.2
SDWS221000DB-R5017.413.221.421.424.2

Installation

Installation

Installation

  • SDW screws install best with a low-speed drill and a T40 6-lobe bit (bit included with every box of screws)
  • Pre-drilling is typically not required
  • Drive the fastener so that the top of the head is slightly embedded into the top surface of the timber. To ensure correct performance, do not under or over-drive the fastener
  • Individual screw locations may be adjusted up to 75mm to avoid conflicts with other hardware or to avoid timber defects
sdw-coral-wafer-flat-2.jpg
Railing fastening
sdw-ledger-wafer-flat-2.jpg
Exterior timber element fastening
sdw-retaining-wall-hex-flat-2.jpg
Exterior timber element fastening
sdws-ledger-inst-2.jpg
Stud wall assembly

Certification

Declaration of Performance (DoP)

uk-dop-h10-0017-issue3.pdf (107.28 KB)

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Simpson Strong-Tie Poland

Simpson Strong-Tie Etanco P.S.A.

ul. Karczunkowska 42
02-871 Warszawa
Poland

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