SWD

Structural Double Threaded Wood Screw

SWD is a construction screw designed to connect two timber members together. The small cap-style head and double thread creates a flexible, hidden assembly with high strength. The differentiated thread pitch creates a clamping effect, reducing the risk of gaps between the timber members.

Find it in the Solid Wood Application >

CE Marking
ETA
Service class 2
Protec® +
Outdoor
Solid Wood

Product Details

Images

Features

Material

Steel - Protec®+ coating

Features

  • CE marked to EN14592
  • Cap-style head
  • Double threaded
  • Chisel point

Application

Common Applications

Timber to timber connections

Technical Data

Dimensions

Product dimensions

References Item code Gunnebo art. nr. Fastener dimensions [mm]
d l dh d1 Ah ht lg1 lg2 tfix bit
SWD6.5X6575425766626.56584--2821.5-T-30
SWD6.5X9075426766659084--4033.5-T-30
SWD6.5X130754277680513084--4033.5-T-30
SWD6.5X160754287665316084--6558.5-T-30
SWD6.5X190754297665519084--8073.5-T-30
SWD6.5X2207543076659220104--9588.5-T-30
SWD8.0X9075431767007.890105.4--4031.5-T-40
SWD8.0X1307543276806130105.4--4031.5-T-40
SWD8.0X1607543376669160105.4--6556.5-T-40
SWD8.0X1907543476764190105.4--8071.5-T-40
SWD8.0X2207543576677220105.4--9586.5-T-40
SWD8.0X2457543676681245105.4--107.599-T-40
SWD8.0X2757543776684275105.4--107.599-T-40
SWD8.0X3007543876694300105.4--135126.5-T-40
SWD8.0X3307543976697330105.4--135126.5-T-40

Product characteristic properties

References Characteristic Yield Moment – My,k [Nm] Characteristic withdrawal parameter - fax,k,90° [N/mm²] Characteristic head pull-through parameter - fhead,k [N/mm²] Characteristic tensile capacity - ftens,k [kN] Characteristic torsional strength - ftor,k [Nm] Torsonial ratio
SWD6.5X6512.413.7-14.512.6≥ 1,5
SWD6.5X9012.413.7-14.512.6≥ 1,5
SWD6.5X13012.413.7-14.512.6≥ 1,5
SWD6.5X16012.413.7-14.512.6≥ 1,5
SWD6.5X19012.413.7-14.512.6≥ 1,5
SWD6.5X22012.413.7-14.512.6≥ 1,5
SWD8.0X9026.813.1-25.327.7≥ 1,5
SWD8.0X13026.813.1-25.327.7≥ 1,5
SWD8.0X16026.813.1-25.327.7≥ 1,5
SWD8.0X19026.813.1-25.327.7≥ 1,5
SWD8.0X22026.813.1-25.327.7≥ 1,5
SWD8.0X24526.813.1-25.327.7≥ 1,5
SWD8.0X27526.813.1-25.327.7≥ 1,5
SWD8.0X30026.813.1-25.327.7≥ 1,5
SWD8.0X33026.813.1-25.327.7≥ 1,5
SWD6.512.413.7-14.512.6-
SWD826.813.1-25.327.7-

Certification

Declaration of Performance (DoP)

uk-dop-e21-0670.pdf (686.07 KB)

European Technical Assessment (ETA)

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Contact

Simpson Strong-Tie Poland

Simpson Strong-Tie Sp. z o.o.

ul. Karczunkowska 42
02-871 Warszawa
Poland