SWC

Structural Countersunk Wood Screw

SWC is a countersunk structural screw designed for load-bearing wood structures. The SWC screw has a milling thread to allow for smoothdriving of the shank. The countersunk head gives flush fitting while allowing the wood members to close up firmly.

CE Marking
ETA
Service class 2
Yellow electro-galvanised steel
Indoor
EPD
Fastener Designer

Product Details

Images

Features

Features:

  • No pre-drilling required
  • High withdrawal resistance
  • Milling thread allows smooth driving
  • Countersunk head

Material

Steel - Electrogalvanised yellow zinc coating

Application

Application:

  • Wood to wood

advantage

The countersunk head with milling ribs on the underside of the head can be
and flush with the surface of the wood, creating a harmonious appearance.

The cutting point design in combination with the reaming shank ensures efficient and
smooth screwing with a simultaneous minimization of the
insertion resistance and reducing the splitting effect.

Technical Data

Dimensions

Product dimensions

References Item code Fastener dimensions [mm] Qty/box Weight [kg]
d l tfix dh d1 lg bit
SWC6.0X20075346620013011.83.870T-301000.022
SWC6.0X2407534824017011.83.870T-301000.027
SWC6.0X3007535130023011.83.870T-301000.033
SWC8.0X80753528803014.65.350T-40500.018
SWC8.0X100753531005014.65.350T-40500.023
SWC8.0X120753541204014.65.380T-40500.027
SWC8.0X140753551406014.65.380T-40500.031
SWC8.0X160753561608014.65.380T-40500.035
SWC8.0X1807535718010014.65.380T-40500.039
SWC8.0X2007535820012014.65.380T-40500.043
SWC8.0X2207535922014014.65.380T-40500.047
SWC8.0X2407536024016014.65.380T-40500.051
SWC8.0X2607536126018014.65.380T-40500.055
SWC8.0X2807536228020014.65.380T-40500.06
SWC8.0X3007536330022014.65.380T-40500.064
SWC8.0X3207536432024014.65.380T-40500.068
SWC8.0X3807536738030014.65.380T-40500.08
SWC8.0X4007536840032014.65.380T-40500.084
SWC10.0X180753701018010017.86.380T-40250.058
SWC10.0X2007537120012017.86.380T-40250.064
SWC10.0X2207537222014017.86.380T-40250.07
SWC10.0X2407537324016017.86.380T-40250.076
SWC10.0X2607537426018017.86.380T-40250.082
SWC10.0X3007537630022017.86.380T-40250.094
SWC10.0X3407537834026017.86.380T-40250.11
SWC10.0X4007538140032017.86.380T-40250.12

Product characteristic properties

References Product characteristic properties
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] Torsonial ratio
SWC6.0X20010.51311.912.311≥ 1,5
SWC6.0X24010.51311.912.311≥ 1,5
SWC6.0X30010.51311.912.311≥ 1,5
SWC8.0X8025.912.612.523.727.4≥ 1,5
SWC8.0X10025.912.612.523.727.4≥ 1,5
SWC8.0X12025.912.612.523.727.4≥ 1,5
SWC8.0X14025.912.612.523.727.4≥ 1,5
SWC8.0X16025.912.612.523.727.4≥ 1,5
SWC8.0X18025.912.612.523.727.4≥ 1,5
SWC8.0X20025.912.612.523.727.4≥ 1,5
SWC8.0X22025.912.612.523.727.4≥ 1,5
SWC8.0X24025.912.612.523.727.4≥ 1,5
SWC8.0X26025.912.612.523.727.4≥ 1,5
SWC8.0X28025.912.612.523.727.4≥ 1,5
SWC8.0X30025.912.612.523.727.4≥ 1,5
SWC8.0X32025.912.612.523.727.4≥ 1,5
SWC8.0X38025.912.612.523.727.4≥ 1,5
SWC8.0X40025.912.612.523.727.4≥ 1,5
SWC10.0X18043.712.211.233.848.9≥ 1,5
SWC10.0X20043.712.211.233.848.9≥ 1,5
SWC10.0X22043.712.211.233.848.9≥ 1,5
SWC10.0X24043.712.211.233.848.9≥ 1,5
SWC10.0X26043.712.211.233.848.9≥ 1,5
SWC10.0X30043.712.211.233.848.9≥ 1,5
SWC10.0X34043.712.211.233.848.9≥ 1,5
SWC10.0X40043.712.211.233.848.9≥ 1,5

Certification

Declaration of Performance (DoP)

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

European Technical Assessment (ETA)

CAD and BIM Library

2D
3D

ZIP Packages

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Contact

Simpson Strong-Tie U.K.

Simpson Strong-Tie

Cardinal Point, Winchester Road
Tamworth
Staffordshire
B78 3HG
United Kingdom