Roof construction screw
Roof construction screw concrete TX-drive
SCR-HEX-FLG-CONC-TX30-(DPS)-7,5X42
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For use with conventional drivers
- Tested in accordance with DIN 50018 — 15 cycles Kesternich
- Tested according to DIN 50021 salt spray mist test
An impact screwdriver should be used for a screw-in depth of > 50 mm.
Warranty lodged with the ZVDH (Roofing Trade Association).
Attachment hardware length= roof structure + minimum screw-in depth
- Minimum screw-in depth in concrete: 30 mm
- Drilling dia.: 6 mm
1. Roof-waterproofing sheeting
2. Insulation material
3. Load-bearing structures (concrete)
Screw-in depth | mm | Recommended tensile load with 5 times increased safety |
Without rotary percussion | 30 | 0.56 kN |
Without rotary percussion | 40 | 1.42 kN |
Without rotary percussion | 50 | 1.55 kN |
With rotary percussion | 30 | 0.53 kN |
With rotary percussion | 40 | 1.23 kN |
With rotary percussion | 50 | 1.49 kN |
- Tested in accordance with DIN 50018 — 15 cycles Kesternich
- Tested according to DIN 50021 salt spray mist test
Datasheets(X)
CAD data (available after login)
Concrete
Nominal diameter (d1) | 7.5 mm |
Length (l1) | 42 mm |
Head diameter (d2) | 10 mm |
Head height (k1) | 3.0 mm |
Head type | Countersunk head 60 degree |
Thread type | Self-tapping screw thread |
Thread length (tapping screw thread) (l2) | 37 mm |
Material | Steel |
Surface | Flake zinc silver |
Internal drive | TX30 |
RoHS-compliant | Yes |
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