DrillFast® Stainless DF3-SSA4-W Timber to Steel Fasteners
Verified by manufacturer 1 month ago
DF3-SSA4-W-4.8 x 40
DF3-SSA4-W-4.8 x 40
Stainless steel countersunk self-drilling fasteners for fixing timber to light steel.
Application
For mechanically fixing timber to light metal purlins and rails.
Description
Stainless steel self-drilling fasteners for roofing and cladding.
Features and benefits:
- Warranted fasteners with £20 million UK insurance cover
- A4/ 316 stainless steel for optimum resistance to corrosion
- Bi-metal manufactured for superior drilling performance
- Excellent pull-out and shear performance
- Wings behind drill point form clearance hole through timber, and break off on contact with metal substrate
- Purpose designed and precision manufactured
General information
Color | Silver |
Finish | Coated |
Material | Stainless steel Guidance for specification option: Grade A4-316 Austenitic stainless steel. |
Length | 40 mm 60 mm 80 mm |
Width | 4.8 mm 5.5 mm |
Warranty description | 40 year Guidance for specification option: Up to 40 years, consult manufacturer for details. |
Uniclass | |
CAWS | H20/150 Sheet cladding (attached to metal support systems) H20/10 Sheet cladding |
Product range |
Specification data - Self-drilling screws
Material | 1.4401 stainless steel (316M), with carbon steel case hardened welded point. |
Finish | Organic coating. |
Head type | Countersunk. |
Size | |
Diameter | 4.8 mm. |
Length | 40 mm. |
Execution | Manufacturer guidanceSee manufacturer's literature for full installation and handling details. |
Drilling capacity | 1.5–3.0 mm thick steel. |
Sustainability data
Material | Stainless steel Guidance for specification option: Grade A4-316 Austenitic stainless steel. |
Literature
Building Envelope Fastener Specification Guide 2024
DrillFast Stainless Fasteners
R-MER Metal Roof System Selector Guide
Sheeting and Cladding Overview