Fixings and innovative solutions for pros at CELO
Concrete screw BTSB, Hex-head screw, DIN 440
High loads and ETA option 1 for wood constructions







Product overview
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The concrete screw BTSB DIN 440 is optimally suitable for mounting heavy-duty wood constructions to cracked and non-cracked concrete according to the ETA-assessment Option 1. This concrete screw achieves highest loads combined with easy mounting (use of an impact wrench is recommended), obtains fire resistance class R 120 for more safety in case of fire, is approved for use under seismic action (C1) and may even be used to fix fire extinguishing pipe systems to concrete ceilings according to VdS guidelines.
List of references
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9ZG10180BTSB
9ZG10200BTSB
9ZG10240BTSB
9ZG10280BTSB
Thickness of fixture [mm]
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125/105/95
145/125/115
185/165/155
225/205/195
Screw length [mm]
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180
200
240
280
Column
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Reference
Drill hole diameter [mm]
Drill hole depth [mm]
Anchorage depth [mm]
Thickness of fixture [mm]
Screw length [mm]
Material
Coating
Packaging units
Packaging type.
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Reference
9ZG10180BTSB
9ZG10200BTSB
9ZG10240BTSB
9ZG10280BTSB
Drill hole diameter [mm]
10
10
10
10
Drill hole depth [mm]
65/85/95
65/85/95
65/85/95
65/85/95
Anchorage depth [mm]
55/75/85
55/75/85
55/75/85
55/75/85
Thickness of fixture [mm]
125/105/95
145/125/115
185/165/155
225/205/195
Screw length [mm]
180
200
240
280
Material
Steel
Steel
Steel
Steel
Coating
Zinc flake coated
Zinc flake coated
Zinc flake coated
Zinc flake coated
Packaging units
20
20
20
20
Packaging type.
Box
Box
Box
Box
4 / 4 references are shown
Applications
- Steel supports
- Attaching steel structures
- Guard rails
- Facade substructures
- Machines
- Pipelines
- Cable trays
- Storage racks

Further specifications
Key features:
- ETA approved for non-cracked and cracked concrete (option 1)
- High loads combined with an easy application (the use of a suitable impact wrench is recommended)
- Variable, because of three setting depths
- May be adjusted
- The BTS is also ideal for temporary fixings as it can be removed completely
- Zinc flake coating (ZnAl) for improved corrosion resistance and higher application security
Base materials:
- Concrete
How to install
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