DrillFast® Stainless DF3-SS Drilling Fasteners
Verified by manufacturer 1 month ago
DF3-SS-4.8 x 25
DF3-SS-4.8 x 25
European Technical Approval (ETA)
Certificate type
Stainless steel self-drilling fasteners for fixing roofing and cladding sheets and components to light steel.
Application
- For mechanically fixing metal sheeting systems to light metal purlins and rails
- For mechanically fixing components of steel, aluminium and metal framing systems
Description
Stainless steel self-drilling fasteners for roofing and cladding.
Features and benefits:
- Warranted fasteners with £20 million UK insurance cover
- A2/ 304 stainless steel for optimum resistance to corrosion
- Bi-metal manufactured for superior drilling performance
- Excellent pull-out and shear performance
- Purpose designed and precision manufactured
- ETA Approved ETA 20/1178
- CE marked
General information
Color | Silver |
Finish | Coated |
Material | Stainless steel |
Length | 25 mm 35 mm 55 mm |
Width | 4.8 mm 5.5 mm |
Warranty description | 30 year Guidance for specification option: Up to 40 years, consult manufacturer for details. |
Uniclass | |
CAWS | H31/219 Fasteners H31/120 Metal H31/10 Metal G10/178 Fixing profiled sheet to steelwork |
Product range |
Specification data - Self-drilling screws
Material | 1.4301 stainless steel (304M), with carbon steel case hardened welded point. |
Finish | Organic coating. |
Head type | Hexagonal, 8 mm. |
Size | |
Diameter | 4.8 mm. |
Length | 25 mm. |
Washers | Not required.A15 aluminium/ EPDM.Guidance for specification option: 15-mm diameter. A19 aluminium/ EPDM.Guidance for specification option: 19-mm diameter. A29 aluminium/ EPDM.Guidance for specification option: 29-mm diameter. |
Execution | Manufacturer guidanceSee manufacturer's literature for full installation and handling details. |
Drilling capacity | 1.2–3.0 mm thick steel. |
Sustainability data
Material | Stainless steel |
Third party certifications
European Technical Approval (ETA)
ETA: Certificate 20/1178
Literature
Building Envelope Fastener Specification Guide 2024
DrillFast Stainless Fasteners
R-MER Metal Roof System Selector Guide
Firth Steels Protex Selector Guide
Trimo Trimoterm FTV Selector Guide
Eurobond Europanel Selector Guide
Eurobond Rainspan Selector Guide
Eurobond Rockspan Selector Guide
Kingspan QuadCore KS600-1000 AWP Selector Guide
Facade and Rainscreen Overview
Sheeting and Cladding Overview
Facade Support System Overview
SIG Gemello Twin Skin System Rural Industrial 25 years
Case studies
Fontwell Racecourse
Buckland Hospital
The Shard
Colbourne Place
Building 270
Ocean Terminal
SOYO Blocks B + C
Mitie Depot, Blackheath
48 York Street
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