SL Rack Self-Tapping Drill Screw 5.5x20-25 DS 16mm - 93155-25
€ 0,14 exkl. USt.
SL Rack Self-Tapping Drill Screw 5.5x20-25 DS 16mm - 93155-25 is backordered and will ship as soon as it is back in stock.
Advantages at a glance
Self-drilling screw
The SL Rack drill screw 5.5x20-25 mm forms its own thread and drills into metal and sheet metal substructures without pre-drilling.
16 mm sealing washer
Integrated sealing washer (DS 16 mm) permanently seals the drill hole watertight against penetrating moisture.
Designed for pitched roofs
Specially designed for fastening PV mounting components to pitched roofs with metal or sheet metal substructures.
Fast installation
Drilling, thread forming, and screwing in one step – no separate pre-drilling required.
Corrosion resistant
Designed for permanent outdoor use on the roof and weather-resistant.
SL Rack System Component
Fits into the SL Rack mounting system for pitched roofs and complements roof hooks and rails.
Technical data
| Parameter | Value |
|---|---|
| Type | Drill screw, self-drilling |
| Dimensions | 5.5 x 20-25 mm |
| Sealing washer (DS) | 16 mm |
| Area of use | Pitched roof |
| Manufacturer | SL Rack |
| Manufacturer part number | 93155-25 |
Frequently asked questions
What is the SL Rack drill screw 5.5x20-25 DS 16mm?
It is a self-drilling screw with dimensions of 5.5 x 20-25 mm and an integrated sealing washer (DS 16 mm) for fastening PV mounting components on pitched roofs. It drills and forms its own thread and does not require pre-drilling.
What is a self-drilling screw used for?
A self-drilling screw cuts its own thread when screwed into metal or sheet metal substructures. This allows mounting system fasteners to be installed in a single step – drilling, thread forming, and screwing without a separate intermediate step.
What is the purpose of the sealing washer (DS 16 mm)?
The 16 mm sealing washer under the screw head permanently seals the drill hole and prevents moisture from penetrating the underlying structure. This is crucial for watertightness in outdoor roof installations.
Which roofs is the screw suitable for?
The drill screw is designed for pitched roofs with metal or sheet metal substructures and complements the SL Rack mounting system for fastening roof hooks, rails, and other system components.
Who is SL Rack?
SL Rack is a manufacturer of mounting systems and fastening accessories for photovoltaic systems. The product range includes components for pitched and flat roofs, as well as suitable small parts such as screws and sealing elements.
Where can I buy SL Rack mounting accessories in Austria?
You can purchase SL Rack mounting accessories, such as this drill screw, from SOLARVIC via solarvic.at. There you will find the PV mounting range, including suitable fastening material.
How can I order?
Directly online via solarvic.at – if you have any questions about the design, the SOLARVIC team will be happy to help.
€ 0,14 exkl. USt.
SL Rack Self-Tapping Drill Screw 5.5x20-25 DS 16mm - 93155-25 is backordered and will ship as soon as it is back in stock.
