Range
of self drilling fasteners for fixing timber and other
similar materials to steel. Manufactured from low carbon
cold forming steel and case hardened, with a minimum 8
micron coating. Wings positioned just after the drill point
ream a clearance hole through the timber, preventing thread
engagement. These wings break off when they come into contact
with the steel.
Heads are countersunk and ribbed for easier self embedding.
| Code | Description | Steel Thickness | Timber Thickness | |
| T71 | 10X25mm 2PT | 1.5mm To 3.5mm | 8mm Maximum |  |
| T72 | 10X38mm 2PT | 1.5mm To 3.5mm | 20mm Maximum | |
| T75 | 10X50mm 2PT | 1.5mm To 3.5mm | 32mm Maximum | |
| T79 | 12X40mm 2PT | 1.5mm To 4mm | 20mm Maximum |  |
| T261 | 12X60mm 2PT | 1.5mm To 4mm | 40mm Maximum | |
| T269 | 12X80mm 2PT | 1.5mm To 4mm | 60mm Maximum | |
| T268 | 12X100mm 2PT | 1.5mm To 4mm | 80mm Maximum | |
| T267 | 12X125mm 2PT | 1.5mm To 4mm | 105mm Maximum | |
| T66 | 12X60mm 5PT | 4mm To 12.5mm | 25mm Maximum |  |
| T69 | 12X85mm 5PT | 4mm To 12.5mm | 50mm Maximum | |
| T266 | 12X109mm 5PT | 4mm To 12.5mm | 75mm Maximum | |
Where thicker timbers need be fixed timber can be countersunk.
Where steel is thinner then 1.5mm or Tactray systems see batten to deck range.
Manufactured from low carbon cold forming steel and case hardened, with a minimum 8 micron coating.
Diameter |
Tensile
Strength |
Shear
Strength |
4.8mm
Dia (10G) |
2113lbs
(9.4kN) |
1461lbs
(6.5kN) |
5.5mm
Dia (12G) |
2900lbs
(12.9kN) |
2015lbs
(8.96kN) |
Pullout Values
Steel
Thickness |
4.8mm
2PT |
5.5mm
2PT |
5.5mm
5PT |
1.6mm |
787lbs
(3.5kN) |
900lbs
(4.0kN) |
- |
2.0mm |
1030lbs
(4.58kN) |
1195lbs
(5.32kN) |
- |
2.5mm |
1263lbs
(5.62kN) |
1525lbs
(6.78kN) |
- |
3.0mm |
1438lbs
(6.40kN) |
1790lbs
(7.96kN) |
- |
3.5mm |
- |
2400lbs
(10.68kN) |
1800lbs
(8.2kN) |
6.0mm |
- |
- |
2900lbs
(12.9kN) |
Above 6.0mm steel, limiting factor is tensile strength of fastener.
Pullover
This is normally the limiting factor and is dependent on
the material being fixed.
Note: All figures are average test results and are ultimate failure loads; No safety factor has been used.
Range of fasteners for fixing timber battens to steel sheets
including applications such as "TacTray90" or "Trustray"
systems.
Fasteners have a ribbed countersunk head above a self drill point complete with reaming wings, which have been designed to break off in steel sheet as thin as 0.7mm. These wings prevent thread engagement thus eliminating "jacking" of the timber.
Material Specification
High quality case hardened carbon steel to Din 7504
Coating
Carbon steel electroplated with zinc clear dichromate passivation
for a corrosion resistant finish.
Code |
Size |
Steel
Thickness |
Batten
Thickness |
SR2WD4.8X41 |
10X41mm |
0.7mm
To 2mm |
upto
25mm |
SR2WD4.8X66 |
10X66mm |
0.7mm
To 2mm |
upto
50mm |
| Tensile strength | 9.4kN |
| Shear strength | 6.5kN |
Pullout values
1.12kN from 0.75m steel
2.08kN from a double thickness of 0.75mm steel
For thicker timbers or when fixing to aluminium sheet please contact sales.
Please note all figures are ultimate failure loads and no safety factor has been used. Figures are based on results obtained from tests carried out in accordance with equipment conforming to BS5427 on a random sample of fasteners.
It is recommended that unusual, critical, or demanding applications be tested individually.
