Réf. A99. Vis FS550-ROCK®
fs-550 rock® screw
550 mm foundation screw with M16 thread in the centre of the head for attaching connectors, designed exclusively for use in bedrock with a load-bearing capacity at the surface.
Not to be used in earthy (or even hard) soil or in stony soil (just too hard)!
Dimensions |
|
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Number of spirals | 6 |
Composition | DIN EN ISO 1461 (100µ) hot-dip galvanized steel |
Weight | 5.43 kg |
Load bearing capacity | 900 kg/screw in compact and stable stony soil |
Application area | Stony soil > 50% ONLY Reinforced screw thread reduced to 11 mm |
WARNING | DO NOT USE IN NON-STONY SOILS as the load will not be guaranteed |
FAQ
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